Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2119891507', 'doi': 'https://doi.org/10.1093/nar/gkg022', 'title': 'PDB-REPRDB: a database of representative protein chains from the Protein Data Bank (PDB) in 2003', 'display_name': 'PDB-REPRDB: a database of representative protein chains from the Protein Data Bank (PDB) in 2003', 'publication_year': 2003, 'publication_date': '2003-01-01', 'ids': {'openalex': 'https://openalex.org/W2119891507', 'doi': 'https://doi.org/10.1093/nar/gkg022', 'mag': '2119891507', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/12520060', 'pmcid': 'https://www.ncbi.nlm.nih.gov/pmc/articles/165469'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1093/nar/gkg022', 'pdf_url': 'https://academic.oup.com/nar/article-pdf/31/1/492/7125987/gkg022.pdf', 'source': {'id': 'https://openalex.org/S134668137', 'display_name': 'Nucleic Acids Research', 'issn_l': '0305-1048', 'issn': ['0305-1048', '1362-4954', '1362-4962'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310311648', 'host_organization_name': 'Oxford University Press', 'host_organization_lineage': ['https://openalex.org/P4310311647', 'https://openalex.org/P4310311648'], 'host_organization_lineage_names': ['University of Oxford', 'Oxford University Press'], '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://academic.oup.com/nar/article-pdf/31/1/492/7125987/gkg022.pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5111774504', 'display_name': 'Takio Noguchi', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I73613424', 'display_name': 'National Institute of Advanced Industrial Science and Technology', 'ror': 'https://ror.org/01703db54', 'country_code': 'JP', 'type': 'government', 'lineage': ['https://openalex.org/I73613424']}], 'countries': ['JP'], 'is_corresponding': True, 'raw_author_name': 'T. Noguchi', 'raw_affiliation_strings': ['Computational Biology Research Center, National Institute of Advanced Industrial Science and Technology (AIST), 2-41-6 Aomi, Koto-ku, Tokyo 135-0064, Japan.'], 'affiliations': [{'raw_affiliation_string': 'Computational Biology Research Center, National Institute of Advanced Industrial Science and Technology (AIST), 2-41-6 Aomi, Koto-ku, Tokyo 135-0064, Japan.', 'institution_ids': ['https://openalex.org/I73613424']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5111774504'], 'corresponding_institution_ids': ['https://openalex.org/I73613424'], 'apc_list': {'value': 3630, 'currency': 'USD', 'value_usd': 3630, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 2.722, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 90, 'citation_normalized_percentile': {'value': 0.782477, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 95, 'max': 96}, 'biblio': {'volume': '31', 'issue': '1', 'first_page': '492', 'last_page': '493'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10044', 'display_name': 'Protein Structure and Dynamics', 'score': 0.9997, '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'}}, 'topics': [{'id': 'https://openalex.org/T10044', 'display_name': 'Protein Structure and Dynamics', 'score': 0.9997, '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/T11162', 'display_name': 'Enzyme Structure and Function', 'score': 0.9995, 'subfield': {'id': 'https://openalex.org/subfields/2505', 'display_name': 'Materials Chemistry'}, 'field': {'id': 'https://openalex.org/fields/25', 'display_name': 'Materials Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10521', 'display_name': 'RNA and protein synthesis mechanisms', 'score': 0.9985, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/protein-data-bank', 'display_name': 'Protein Data Bank', 'score': 0.9319297}, {'id': 'https://openalex.org/keywords/data-bank', 'display_name': 'Data bank', 'score': 0.5616734}], 'concepts': [{'id': 'https://openalex.org/C65556437', 'wikidata': 'https://www.wikidata.org/wiki/Q766195', 'display_name': 'Protein Data Bank (RCSB PDB)', 'level': 2, 'score': 0.9753216}, {'id': 'https://openalex.org/C119145174', 'wikidata': 'https://www.wikidata.org/wiki/Q7251429', 'display_name': 'Protein Data Bank', 'level': 3, 'score': 0.9319297}, {'id': 'https://openalex.org/C144647389', 'wikidata': 'https://www.wikidata.org/wiki/Q423042', 'display_name': 'Membrane protein', 'level': 3, 'score': 0.5836238}, {'id': 'https://openalex.org/C2779786304', 'wikidata': 'https://www.wikidata.org/wiki/Q5227243', 'display_name': 'Data bank', 'level': 2, 'score': 0.5616734}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.5426259}, {'id': 'https://openalex.org/C77088390', 'wikidata': 'https://www.wikidata.org/wiki/Q8513', 'display_name': 'Database', 'level': 1, 'score': 0.5306864}, {'id': 'https://openalex.org/C47701112', 'wikidata': 'https://www.wikidata.org/wiki/Q735188', 'display_name': 'Protein structure', 'level': 2, 'score': 0.46020454}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.3415317}, {'id': 'https://openalex.org/C41625074', 'wikidata': 'https://www.wikidata.org/wiki/Q176088', 'display_name': 'Membrane', 'level': 2, 'score': 0.27797115}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.14327687}, {'id': 'https://openalex.org/C76155785', 'wikidata': 'https://www.wikidata.org/wiki/Q418', 'display_name': 'Telecommunications', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D030562', 'descriptor_name': 'Databases, Protein', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D008565', 'descriptor_name': 'Membrane Proteins', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D000596', 'descriptor_name': 'Amino Acids', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D000596', 'descriptor_name': 'Amino Acids', 'qualifier_ui': 'Q000032', 'qualifier_name': 'analysis', 'is_major_topic': False}, {'descriptor_ui': 'D000818', 'descriptor_name': 'Animals', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D008565', 'descriptor_name': 'Membrane Proteins', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D017434', 'descriptor_name': 'Protein Structure, Tertiary', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011506', 'descriptor_name': 'Proteins', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': False}, {'descriptor_ui': 'D011506', 'descriptor_name': 'Proteins', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D020539', 'descriptor_name': 'Sequence Analysis, Protein', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 5, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1093/nar/gkg022', 'pdf_url': 'https://academic.oup.com/nar/article-pdf/31/1/492/7125987/gkg022.pdf', 'source': {'id': 'https://openalex.org/S134668137', 'display_name': 'Nucleic Acids Research', 'issn_l': '0305-1048', 'issn': ['0305-1048', '1362-4954', '1362-4962'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310311648', 'host_organization_name': 'Oxford University Press', 'host_organization_lineage': ['https://openalex.org/P4310311647', 'https://openalex.org/P4310311648'], 'host_organization_lineage_names': ['University of Oxford', 'Oxford University Press'], '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/pmc29793', 'pdf_url': 'https://europepmc.org/articles/pmc29793?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://europepmc.org/articles/pmc165469', 'pdf_url': 'https://europepmc.org/articles/pmc165469?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/PMC165469', '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/12520060', '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/10.1093/nar/gkg022', 'pdf_url': 'https://academic.oup.com/nar/article-pdf/31/1/492/7125987/gkg022.pdf', 'source': {'id': 'https://openalex.org/S134668137', 'display_name': 'Nucleic Acids Research', 'issn_l': '0305-1048', 'issn': ['0305-1048', '1362-4954', '1362-4962'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310311648', 'host_organization_name': 'Oxford University Press', 'host_organization_lineage': ['https://openalex.org/P4310311647', 'https://openalex.org/P4310311648'], 'host_organization_lineage_names': ['University of Oxford', 'Oxford University Press'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'score': 0.56, 'id': 'https://metadata.un.org/sdg/17', 'display_name': 'Partnerships for the goals'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 7, 'referenced_works': ['https://openalex.org/W1998192478', 'https://openalex.org/W2085277871', 'https://openalex.org/W2113221321', 'https://openalex.org/W2116449290', 'https://openalex.org/W2130479394', 'https://openalex.org/W2137065132', 'https://openalex.org/W2155480785'], 'related_works': ['https://openalex.org/W2884564443', 'https://openalex.org/W27170867', 'https://openalex.org/W2466343633', 'https://openalex.org/W2338762894', 'https://openalex.org/W2119891507', 'https://openalex.org/W2119130600', 'https://openalex.org/W2088162897', 'https://openalex.org/W2078907683', 'https://openalex.org/W1979707045', 'https://openalex.org/W1777723386'], 'abstract_inverted_index': {'PDB-REPRDB': [0, 165, 169], 'is': [1, 58, 161], 'a': [2], 'database': [3, 64, 183, 194], 'of': [4, 31, 49, 109, 123, 125, 130, 195], 'representative': [5], 'protein': [6, 68, 113, 127, 142, 159, 173, 186], 'chains': [7, 69, 93, 174], 'from': [8, 70, 78], 'the': [9, 16, 28, 36, 41, 116, 164, 168, 177, 192], 'Protein': [10], 'Data': [11], 'Bank': [12], '(PDB).': [13], 'Started': [14], 'at': [15, 60, 104, 176], 'Real': [17], 'World': [18], 'Computing': [19], 'Partnership': [20], '(RWCP)': [21], 'in': [22, 115, 163, 191], 'August': [23], '1997,': [24], 'it': [25, 57], 'developed': [26], 'to': [27, 40], 'present': [29], 'system': [30, 37, 170], 'PDB-REPRDB.': [32], 'In': [33], 'April': [34], '2001,': [35], 'was': [38], 'moved': [39], 'Computational': [42], 'Biology': [43], 'Research': [44], 'Center': [45], '(CBRC),': [46], 'National': [47], 'Institute': [48], 'Advanced': [50], 'Industrial': [51], 'Science': [52], 'and': [53, 84, 135, 148], 'Technology': [54], '(AIST)': [55], '(http://www.cbrc.jp/);': [56], 'available': [59], 'http://www.cbrc.jp/pdbreprdb/.': [61], 'The': [62, 107, 180], 'current': [63, 181], 'includes': [65, 184], '33': [66], '368': [67], '16': [71], '682': [72], 'PDB': [73, 117], 'entries': [74, 110], '(1': [75], 'September,': [76], '2002),': [77], 'which': [79, 156], 'are': [80], 'excluded': [81], '(a)': [82], 'DNA': [83], 'RNA': [85], 'data,': [86, 90], '(b)': [87], 'theoretically': [88], 'modeled': [89], '(c)': [91], 'short': [92], '(1<40': [94], 'residues),': [95], 'or': [96], '(d)': [97], 'data': [98], 'with': [99, 121], 'non-standard': [100], 'amino': [101], 'acid': [102], 'residues': [103], 'all': [105], 'residues.': [106], 'number': [108], 'including': [111, 188], 'membrane': [112, 126, 149, 158, 172, 182, 189], 'structures': [114, 128], 'has': [118], 'increased': [119], 'rapidly': [120], 'determination': [122], 'numbers': [124], 'because': [129], 'improved': [131], 'X-ray': [132], 'crystallography,': [133], 'NMR,': [134], 'electron': [136], 'microscopic': [137], 'experimental': [138], 'techniques.': [139], 'Since': [140], 'many': [141], 'structure': [143], 'studies': [144], 'must': [145], 'address': [146], 'globular': [147], 'proteins': [150], 'separately,': [151], 'this': [152], 'new': [153], 'elimination': [154], 'factor,': [155], 'excludes': [157], 'chains,': [160, 187], 'introduced': [162], 'system.': [166], 'Moreover,': [167], 'for': [171], 'begins': [175], 'same': [178], 'URL.': [179], '551': [185], 'domains': [190], 'SCOP': [193], 'release': [196], '1.59': [197], '(15': [198], 'May,': [199], '2002).': [200]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2119891507', 'counts_by_year': [{'year': 2024, 'cited_by_count': 3}, {'year': 2023, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 2}, {'year': 2014, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 7}], 'updated_date': '2024-12-13T17:10:56.267749', 'created_date': '2016-06-24'}