Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2126606211', 'doi': 'https://doi.org/10.1128/jb.175.7.1971-1980.1993', 'title': 'In vitro activation of ammonia monooxygenase from Nitrosomonas europaea by copper', 'display_name': 'In vitro activation of ammonia monooxygenase from Nitrosomonas europaea by copper', 'publication_year': 1993, 'publication_date': '1993-04-01', 'ids': {'openalex': 'https://openalex.org/W2126606211', 'doi': 'https://doi.org/10.1128/jb.175.7.1971-1980.1993', 'mag': '2126606211', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/8458839', 'pmcid': 'https://www.ncbi.nlm.nih.gov/pmc/articles/204278'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1128/jb.175.7.1971-1980.1993', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S133274750', 'display_name': 'Journal of Bacteriology', 'issn_l': '0021-9193', 'issn': ['0021-9193', '1067-8832', '1098-5530'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320263', 'host_organization_name': 'American Society for Microbiology', 'host_organization_lineage': ['https://openalex.org/P4310320263'], 'host_organization_lineage_names': ['American Society for Microbiology'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': True, 'oa_status': 'bronze', 'oa_url': 'https://doi.org/10.1128/jb.175.7.1971-1980.1993', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5103473658', 'display_name': 'Scott A. Ensign', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I131249849', 'display_name': 'Oregon State University', 'ror': 'https://ror.org/00ysfqy60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I131249849']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'S A Ensign', 'raw_affiliation_strings': ['Laboratory for Nitrogen Fixation Research, Oregon State University, Corvallis 97331-2902.'], 'affiliations': [{'raw_affiliation_string': 'Laboratory for Nitrogen Fixation Research, Oregon State University, Corvallis 97331-2902.', 'institution_ids': ['https://openalex.org/I131249849']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5016721132', 'display_name': 'Michael R. Hyman', 'orcid': 'https://orcid.org/0000-0002-5965-6579'}, 'institutions': [{'id': 'https://openalex.org/I131249849', 'display_name': 'Oregon State University', 'ror': 'https://ror.org/00ysfqy60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I131249849']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'M R Hyman', 'raw_affiliation_strings': ['Laboratory for Nitrogen Fixation Research, Oregon State University, Corvallis 97331-2902.'], 'affiliations': [{'raw_affiliation_string': 'Laboratory for Nitrogen Fixation Research, Oregon State University, Corvallis 97331-2902.', 'institution_ids': ['https://openalex.org/I131249849']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5029169901', 'display_name': 'Daniel J. Arp', 'orcid': 'https://orcid.org/0000-0003-3628-794X'}, 'institutions': [{'id': 'https://openalex.org/I131249849', 'display_name': 'Oregon State University', 'ror': 'https://ror.org/00ysfqy60', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I131249849']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'D J Arp', 'raw_affiliation_strings': ['Laboratory for Nitrogen Fixation Research, Oregon State University, Corvallis 97331-2902.'], 'affiliations': [{'raw_affiliation_string': 'Laboratory for Nitrogen Fixation Research, Oregon State University, Corvallis 97331-2902.', 'institution_ids': ['https://openalex.org/I131249849']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 3.092, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 178, 'citation_normalized_percentile': {'value': 0.999878, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 98, 'max': 99}, 'biblio': {'volume': '175', 'issue': '7', 'first_page': '1971', 'last_page': '1980'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10155', 'display_name': 'Nitric Oxide and Endothelin Effects', 'score': 0.9994, 'subfield': {'id': 'https://openalex.org/subfields/2737', 'display_name': 'Physiology'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10155', 'display_name': 'Nitric Oxide and Endothelin Effects', 'score': 0.9994, 'subfield': {'id': 'https://openalex.org/subfields/2737', 'display_name': 'Physiology'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}, {'id': 'https://openalex.org/T12688', 'display_name': 'Microbial metabolism and enzyme function', 'score': 0.9957, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}, {'id': 'https://openalex.org/T12094', 'display_name': 'Hemoglobin structure and function', 'score': 0.9947, 'subfield': {'id': 'https://openalex.org/subfields/1307', 'display_name': 'Cell Biology'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/nitrosomonas-europaea', 'display_name': 'Nitrosomonas europaea', 'score': 0.9519056}, {'id': 'https://openalex.org/keywords/ammonia-monooxygenase', 'display_name': 'Ammonia monooxygenase', 'score': 0.8686712}, {'id': 'https://openalex.org/keywords/acetylene', 'display_name': 'Acetylene', 'score': 0.65165365}, {'id': 'https://openalex.org/keywords/methane-monooxygenase', 'display_name': 'Methane Monooxygenase', 'score': 0.42123142}, {'id': 'https://openalex.org/keywords/nitrosomonas', 'display_name': 'Nitrosomonas', 'score': 0.42032933}], 'concepts': [{'id': 'https://openalex.org/C2776599950', 'wikidata': 'https://www.wikidata.org/wiki/Q1123676', 'display_name': 'Nitrosomonas europaea', 'level': 4, 'score': 0.9519056}, {'id': 'https://openalex.org/C2780061811', 'wikidata': 'https://www.wikidata.org/wiki/Q4144746', 'display_name': 'Ammonia monooxygenase', 'level': 4, 'score': 0.8686712}, {'id': 'https://openalex.org/C2777517455', 'wikidata': 'https://www.wikidata.org/wiki/Q133145', 'display_name': 'Acetylene', 'level': 2, 'score': 0.65165365}, {'id': 'https://openalex.org/C544778455', 'wikidata': 'https://www.wikidata.org/wiki/Q753', 'display_name': 'Copper', 'level': 2, 'score': 0.6185784}, {'id': 'https://openalex.org/C2776382133', 'wikidata': 'https://www.wikidata.org/wiki/Q4087', 'display_name': 'Ammonia', 'level': 2, 'score': 0.50953704}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.47950843}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.47307572}, {'id': 'https://openalex.org/C23296010', 'wikidata': 'https://www.wikidata.org/wiki/Q417187', 'display_name': 'Methane monooxygenase', 'level': 3, 'score': 0.42123142}, {'id': 'https://openalex.org/C2775960256', 'wikidata': 'https://www.wikidata.org/wiki/Q132206', 'display_name': 'Nitrosomonas', 'level': 4, 'score': 0.42032933}, {'id': 'https://openalex.org/C2776179834', 'wikidata': 'https://www.wikidata.org/wiki/Q72158415', 'display_name': 'Nitrite', 'level': 3, 'score': 0.3818096}, {'id': 'https://openalex.org/C13965031', 'wikidata': 'https://www.wikidata.org/wiki/Q243545', 'display_name': 'Nuclear chemistry', 'level': 1, 'score': 0.35200426}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.34382784}, {'id': 'https://openalex.org/C181199279', 'wikidata': 'https://www.wikidata.org/wiki/Q8047', 'display_name': 'Enzyme', 'level': 2, 'score': 0.14993858}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.14377472}, {'id': 'https://openalex.org/C2776384668', 'wikidata': 'https://www.wikidata.org/wiki/Q182168', 'display_name': 'Nitrate', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C550995028', 'wikidata': 'https://www.wikidata.org/wiki/Q10872', 'display_name': 'Archaea', 'level': 3, 'score': 0.0}, {'id': 'https://openalex.org/C104317684', 'wikidata': 'https://www.wikidata.org/wiki/Q7187', 'display_name': 'Gene', 'level': 2, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D000641', 'descriptor_name': 'Ammonia', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': True}, {'descriptor_ui': 'D003300', 'descriptor_name': 'Copper', 'qualifier_ui': 'Q000494', 'qualifier_name': 'pharmacology', 'is_major_topic': True}, {'descriptor_ui': 'D004980', 'descriptor_name': 'Ethane', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': True}, {'descriptor_ui': 'D009606', 'descriptor_name': 'Nitrosomonas', 'qualifier_ui': 'Q000201', 'qualifier_name': 'enzymology', 'is_major_topic': True}, {'descriptor_ui': 'D010105', 'descriptor_name': 'Oxygenases', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': True}, {'descriptor_ui': 'D000114', 'descriptor_name': 'Acetylene', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000114', 'descriptor_name': 'Acetylene', 'qualifier_ui': 'Q000494', 'qualifier_name': 'pharmacology', 'is_major_topic': False}, {'descriptor_ui': 'D000641', 'descriptor_name': 'Ammonia', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D002474', 'descriptor_name': 'Cell-Free System', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D003300', 'descriptor_name': 'Copper', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004789', 'descriptor_name': 'Enzyme Activation', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004795', 'descriptor_name': 'Enzyme Stability', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D004795', 'descriptor_name': 'Enzyme Stability', 'qualifier_ui': 'Q000187', 'qualifier_name': 'drug effects', 'is_major_topic': False}, {'descriptor_ui': 'D004980', 'descriptor_name': 'Ethane', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006834', 'descriptor_name': 'Hydrazines', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D006834', 'descriptor_name': 'Hydrazines', 'qualifier_ui': 'Q000494', 'qualifier_name': 'pharmacology', 'is_major_topic': False}, {'descriptor_ui': 'D008670', 'descriptor_name': 'Metals', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008670', 'descriptor_name': 'Metals', 'qualifier_ui': 'Q000494', 'qualifier_name': 'pharmacology', 'is_major_topic': False}, {'descriptor_ui': 'D009573', 'descriptor_name': 'Nitrites', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': False}, {'descriptor_ui': 'D009573', 'descriptor_name': 'Nitrites', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009606', 'descriptor_name': 'Nitrosomonas', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010084', 'descriptor_name': 'Oxidation-Reduction', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010101', 'descriptor_name': 'Oxygen Consumption', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010105', 'descriptor_name': 'Oxygenases', 'qualifier_ui': 'Q000187', 'qualifier_name': 'drug effects', 'is_major_topic': False}, {'descriptor_ui': 'D010105', 'descriptor_name': 'Oxygenases', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012709', 'descriptor_name': 'Serum Albumin', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012709', 'descriptor_name': 'Serum Albumin', 'qualifier_ui': 'Q000494', 'qualifier_name': 'pharmacology', 'is_major_topic': False}], 'locations_count': 4, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1128/jb.175.7.1971-1980.1993', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S133274750', 'display_name': 'Journal of Bacteriology', 'issn_l': '0021-9193', 'issn': ['0021-9193', '1067-8832', '1098-5530'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320263', 'host_organization_name': 'American Society for Microbiology', 'host_organization_lineage': ['https://openalex.org/P4310320263'], 'host_organization_lineage_names': ['American Society for Microbiology'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://europepmc.org/articles/pmc204278', 'pdf_url': 'https://europepmc.org/articles/pmc204278?pdf=render', 'source': {'id': 'https://openalex.org/S4306400806', 'display_name': 'Europe PMC (PubMed Central)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1303153112', 'host_organization_name': 'European Bioinformatics Institute', 'host_organization_lineage': ['https://openalex.org/I1303153112'], 'host_organization_lineage_names': ['European Bioinformatics Institute'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://www.ncbi.nlm.nih.gov/pmc/articles/PMC204278', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764455111', 'display_name': 'PubMed Central', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/8458839', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1128/jb.175.7.1971-1980.1993', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S133274750', 'display_name': 'Journal of Bacteriology', 'issn_l': '0021-9193', 'issn': ['0021-9193', '1067-8832', '1098-5530'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320263', 'host_organization_name': 'American Society for Microbiology', 'host_organization_lineage': ['https://openalex.org/P4310320263'], 'host_organization_lineage_names': ['American Society for Microbiology'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 56, 'referenced_works': ['https://openalex.org/W1497029543', 'https://openalex.org/W1497177798', 'https://openalex.org/W1503186166', 'https://openalex.org/W1506043065', 'https://openalex.org/W1527309271', 'https://openalex.org/W1530933785', 'https://openalex.org/W1532577477', 'https://openalex.org/W1545033487', 'https://openalex.org/W1559366502', 'https://openalex.org/W1567116460', 'https://openalex.org/W1602201841', 'https://openalex.org/W1603280106', 'https://openalex.org/W1607333338', 'https://openalex.org/W1740043467', 'https://openalex.org/W1753404946', 'https://openalex.org/W1755559555', 'https://openalex.org/W181257213', 'https://openalex.org/W1845405292', 'https://openalex.org/W1847764357', 'https://openalex.org/W1924987555', 'https://openalex.org/W1925912566', 'https://openalex.org/W1950251264', 'https://openalex.org/W1970633777', 'https://openalex.org/W1985263086', 'https://openalex.org/W1991616661', 'https://openalex.org/W2001804931', 'https://openalex.org/W2018858141', 'https://openalex.org/W2019911516', 'https://openalex.org/W2025337090', 'https://openalex.org/W2038833127', 'https://openalex.org/W2044145624', 'https://openalex.org/W2051245368', 'https://openalex.org/W2052361961', 'https://openalex.org/W2056344669', 'https://openalex.org/W2056684659', 'https://openalex.org/W2056960722', 'https://openalex.org/W2061415354', 'https://openalex.org/W2069806489', 'https://openalex.org/W2078087118', 'https://openalex.org/W2078629482', 'https://openalex.org/W2094834789', 'https://openalex.org/W2118053368', 'https://openalex.org/W2125277600', 'https://openalex.org/W2127494799', 'https://openalex.org/W2131100528', 'https://openalex.org/W2131983683', 'https://openalex.org/W2171652074', 'https://openalex.org/W2345005086', 'https://openalex.org/W2410105461', 'https://openalex.org/W2597541786', 'https://openalex.org/W2887954048', 'https://openalex.org/W2908122053', 'https://openalex.org/W2917651799', 'https://openalex.org/W30276840', 'https://openalex.org/W57040975', 'https://openalex.org/W77177692'], 'related_works': ['https://openalex.org/W3139887691', 'https://openalex.org/W3044628705', 'https://openalex.org/W3020673332', 'https://openalex.org/W2762182471', 'https://openalex.org/W2605359437', 'https://openalex.org/W2474820554', 'https://openalex.org/W2151019789', 'https://openalex.org/W2085118846', 'https://openalex.org/W2044684943', 'https://openalex.org/W1920419189'], 'abstract_inverted_index': {'The': [0, 24, 88, 104], 'effect': [1], 'of': [2, 12, 26, 37, 58, 71, 85, 90, 99, 118, 137, 143, 147, 155, 159, 165, 180, 193, 223, 235, 242, 247, 254, 267], 'copper': [3, 144, 255], 'on': [4], 'the': [5, 17, 56, 69, 91, 116, 124, 135, 141, 156, 162, 178, 182, 191, 221, 229, 233, 252, 268], 'in': [6, 9, 32, 53, 82, 101, 115, 134, 140, 168, 185], 'vivo': [7], 'and': [8, 44, 73, 172, 211, 264], 'vitro': [10, 54], 'activity': [11, 49, 109, 128, 218, 244], 'ammonia': [13], 'monooxygenase': [14], '(AMO)': [15], 'from': [16, 226, 251, 256], 'nitrifying': [18], 'bacterium': [19], 'Nitrosomonas': [20], 'europaea': [21, 249], 'was': [22, 50, 110, 129, 188], 'investigated.': [23], 'addition': [25, 70], 'CuCl2': [27, 72], 'to': [28, 34, 76, 190], 'cell': [29, 102, 175, 186], 'extracts': [30, 187], 'resulted': [31], '5-': [33], '15-fold': [35], 'stimulation': [36, 84], 'ammonia-dependent': [38, 41], 'O2': [39], 'consumption,': [40], 'nitrite': [42], 'production,': [43], 'hydrazine-dependent': [45], 'ethane': [46], 'oxidation.': [47], 'AMO': [48, 86, 100, 108, 127, 148, 160, 195, 217, 243], 'further': [51], 'stimulated': [52], 'by': [55, 113, 151], 'presence': [57, 142], 'stabilizing': [59, 74], 'agents,': [60], 'including': [61, 201], 'serum': [62], 'albumins,': [63], 'spermine,': [64], 'or': [65, 219], 'MgCl2.': [66], 'In': [67, 122, 177], 'contrast,': [68, 123], 'agents': [75], 'whole-cell': [77], 'suspensions': [78], 'did': [79], 'not': [80], 'result': [81], 'any': [83], 'activity.': [87, 196], 'use': [89], 'AMO-specific': [92], 'suicide': [93], 'substrate': [94], 'acetylene': [95, 114, 132], 'revealed': [96, 161], 'two': [97], 'populations': [98, 146], 'extracts.': [103, 176], 'low,': [105], 'copper-independent': [106], '(residual)': [107], 'completely': [111], 'inactivated': [112, 150], 'absence': [117, 136, 179], 'exogenously': [119], 'added': [120], 'copper.': [121, 138], 'copper-dependent': [125], '(activable)': [126], 'protected': [130], 'against': [131], 'inactivation': [133], 'However,': [139], 'both': [145, 169], 'were': [149, 213], 'acetylene.': [152], '[14C]acetylene': [153, 227], 'labelling': [154], '27-kDa': [157, 230], 'polypeptide': [158], 'same': [163], 'extent': [164], 'label': [166, 183, 225], 'incorporation': [167, 184, 222], 'whole': [170], 'cells': [171], 'optimally': [173], 'copper-stimulated': [174], 'copper,': [181], 'proportional': [189], 'level': [192], 'residual': [194], 'Other': [197], 'metal': [198], 'ions': [199], 'tested,': [200], 'Zn2+,': [202], 'Co2+,': [203], 'Ni2+,': [204], 'Fe2+,': [205], 'Fe3+,': [206], 'Ca2+,': [207], 'Mg2+,': [208], 'Mn2+,': [209], 'Cr3+,': [210], 'Ag+,': [212], 'ineffective': [214], 'at': [215], 'stimulating': [216], 'facilitating': [220], '14C': [224], 'into': [228], 'polypeptide.': [231], 'On': [232], 'basis': [234], 'these': [236], 'results,': [237], 'we': [238], 'propose': [239], 'that': [240], 'loss': [241, 253], 'upon': [245], 'lysis': [246], 'N.': [248], 'results': [250], 'AMO,': [257], 'generating': [258], 'a': [259], 'catalytically': [260], 'inactive,': [261], 'yet': [262], 'stable': [263], 'activable,': [265], 'form': [266], 'enzyme.': [269]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2126606211', 'counts_by_year': [{'year': 2024, 'cited_by_count': 6}, {'year': 2023, 'cited_by_count': 7}, {'year': 2022, 'cited_by_count': 8}, {'year': 2021, 'cited_by_count': 6}, {'year': 2020, 'cited_by_count': 7}, {'year': 2019, 'cited_by_count': 9}, {'year': 2018, 'cited_by_count': 5}, {'year': 2017, 'cited_by_count': 5}, {'year': 2016, 'cited_by_count': 8}, {'year': 2015, 'cited_by_count': 6}, {'year': 2014, 'cited_by_count': 10}, {'year': 2013, 'cited_by_count': 5}, {'year': 2012, 'cited_by_count': 5}], 'updated_date': '2024-12-14T12:08:31.528545', 'created_date': '2016-06-24'}