Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2162957392', 'doi': 'https://doi.org/10.1002/bip.360311409', 'title': 'Reassessment of the random coil conformation: Vibrational CD study of proline oligopeptides and related polypeptides', 'display_name': 'Reassessment of the random coil conformation: Vibrational CD study of proline oligopeptides and related polypeptides', 'publication_year': 1991, 'publication_date': '1991-12-01', 'ids': {'openalex': 'https://openalex.org/W2162957392', 'doi': 'https://doi.org/10.1002/bip.360311409', 'mag': '2162957392', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/1793813'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/bip.360311409', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S56808608', 'display_name': 'Biopolymers', 'issn_l': '0006-3525', 'issn': ['0006-3525', '1097-0282'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5039913165', 'display_name': 'Rina K. Dukor', 'orcid': 'https://orcid.org/0000-0002-1981-3381'}, 'institutions': [{'id': 'https://openalex.org/I39422238', 'display_name': 'University of Illinois Chicago', 'ror': 'https://ror.org/02mpq6x41', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I39422238']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Rina K. Dukor', 'raw_affiliation_strings': ['Department of Chemistry, University of Illinois at Chicago, Box 4348, Chicago, Illinois 60680'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry, University of Illinois at Chicago, Box 4348, Chicago, Illinois 60680', 'institution_ids': ['https://openalex.org/I39422238']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5004857117', 'display_name': 'Timothy A. Keiderling', 'orcid': 'https://orcid.org/0000-0002-9380-3456'}, 'institutions': [{'id': 'https://openalex.org/I39422238', 'display_name': 'University of Illinois Chicago', 'ror': 'https://ror.org/02mpq6x41', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I39422238']}], 'countries': ['US'], 'is_corresponding': True, 'raw_author_name': 'Timothy A. Keiderling', 'raw_affiliation_strings': ['Department of Chemistry, University of Illinois at Chicago, Box 4348, Chicago, Illinois 60680'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry, University of Illinois at Chicago, Box 4348, Chicago, Illinois 60680', 'institution_ids': ['https://openalex.org/I39422238']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5004857117'], 'corresponding_institution_ids': ['https://openalex.org/I39422238'], 'apc_list': {'value': 3760, 'currency': 'USD', 'value_usd': 3760, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 4.167, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 253, 'citation_normalized_percentile': {'value': 0.993033, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 98, 'max': 99}, 'biblio': {'volume': '31', 'issue': '14', 'first_page': '1747', 'last_page': '1761'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12748', 'display_name': 'Molecular spectroscopy and chirality', 'score': 0.9986, 'subfield': {'id': 'https://openalex.org/subfields/1607', 'display_name': 'Spectroscopy'}, 'field': {'id': 'https://openalex.org/fields/16', 'display_name': 'Chemistry'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T12748', 'display_name': 'Molecular spectroscopy and chirality', 'score': 0.9986, 'subfield': {'id': 'https://openalex.org/subfields/1607', 'display_name': 'Spectroscopy'}, 'field': {'id': 'https://openalex.org/fields/16', 'display_name': 'Chemistry'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T11318', 'display_name': 'Phytoestrogen effects and research', 'score': 0.9809, 'subfield': {'id': 'https://openalex.org/subfields/2734', 'display_name': 'Pathology and Forensic Medicine'}, '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/T10908', 'display_name': 'Analytical Chemistry and Chromatography', 'score': 0.9799, 'subfield': {'id': 'https://openalex.org/subfields/1607', 'display_name': 'Spectroscopy'}, 'field': {'id': 'https://openalex.org/fields/16', 'display_name': 'Chemistry'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/polyproline-helix', 'display_name': 'Polyproline helix', 'score': 0.9928283}, {'id': 'https://openalex.org/keywords/random-coil', 'display_name': 'Random coil', 'score': 0.87286454}, {'id': 'https://openalex.org/keywords/oligopeptide', 'display_name': 'Oligopeptide', 'score': 0.49652153}, {'id': 'https://openalex.org/keywords/vibrational-circular-dichroism', 'display_name': 'Vibrational Circular Dichroism', 'score': 0.4609343}, {'id': 'https://openalex.org/keywords/helix', 'display_name': 'Helix (gastropod)', 'score': 0.42730525}, {'id': 'https://openalex.org/keywords/glutamic-acid', 'display_name': 'Glutamic acid', 'score': 0.41869807}], 'concepts': [{'id': 'https://openalex.org/C109300003', 'wikidata': 'https://www.wikidata.org/wiki/Q4384651', 'display_name': 'Polyproline helix', 'level': 3, 'score': 0.9928283}, {'id': 'https://openalex.org/C34349673', 'wikidata': 'https://www.wikidata.org/wiki/Q899124', 'display_name': 'Random coil', 'level': 3, 'score': 0.87286454}, {'id': 'https://openalex.org/C2779815552', 'wikidata': 'https://www.wikidata.org/wiki/Q484583', 'display_name': 'Proline', 'level': 3, 'score': 0.83647263}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.8116584}, {'id': 'https://openalex.org/C521977710', 'wikidata': 'https://www.wikidata.org/wiki/Q81163', 'display_name': 'Polymer', 'level': 2, 'score': 0.50301784}, {'id': 'https://openalex.org/C4839761', 'wikidata': 'https://www.wikidata.org/wiki/Q212111', 'display_name': 'Spectral line', 'level': 2, 'score': 0.5010352}, {'id': 'https://openalex.org/C13935069', 'wikidata': 'https://www.wikidata.org/wiki/Q2157266', 'display_name': 'Oligopeptide', 'level': 3, 'score': 0.49652153}, {'id': 'https://openalex.org/C515207424', 'wikidata': 'https://www.wikidata.org/wiki/Q8066', 'display_name': 'Amino acid', 'level': 2, 'score': 0.47069123}, {'id': 'https://openalex.org/C189010761', 'wikidata': 'https://www.wikidata.org/wiki/Q7924663', 'display_name': 'Vibrational circular dichroism', 'level': 3, 'score': 0.4609343}, {'id': 'https://openalex.org/C133571119', 'wikidata': 'https://www.wikidata.org/wiki/Q899102', 'display_name': 'Circular dichroism', 'level': 2, 'score': 0.44882706}, {'id': 'https://openalex.org/C71240020', 'wikidata': 'https://www.wikidata.org/wiki/Q186011', 'display_name': 'Stereochemistry', 'level': 1, 'score': 0.44675657}, {'id': 'https://openalex.org/C8010536', 'wikidata': 'https://www.wikidata.org/wiki/Q160398', 'display_name': 'Crystallography', 'level': 1, 'score': 0.43264666}, {'id': 'https://openalex.org/C2778530040', 'wikidata': 'https://www.wikidata.org/wiki/Q1937315', 'display_name': 'Helix (gastropod)', 'level': 3, 'score': 0.42730525}, {'id': 'https://openalex.org/C2778740566', 'wikidata': 'https://www.wikidata.org/wiki/Q181136', 'display_name': 'Glutamic acid', 'level': 3, 'score': 0.41869807}, {'id': 'https://openalex.org/C2779281246', 'wikidata': 'https://www.wikidata.org/wiki/Q172847', 'display_name': 'Peptide', 'level': 2, 'score': 0.22340786}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.17030686}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.110241234}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C1276947', 'wikidata': 'https://www.wikidata.org/wiki/Q333', 'display_name': 'Astronomy', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C2779965526', 'wikidata': 'https://www.wikidata.org/wiki/Q308841', 'display_name': 'Snail', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C18903297', 'wikidata': 'https://www.wikidata.org/wiki/Q7150', 'display_name': 'Ecology', 'level': 1, 'score': 0.0}], 'mesh': [{'descriptor_ui': 'D009842', 'descriptor_name': 'Oligopeptides', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D011392', 'descriptor_name': 'Proline', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D002942', 'descriptor_name': 'Circular Dichroism', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009842', 'descriptor_name': 'Oligopeptides', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D011487', 'descriptor_name': 'Protein Conformation', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/bip.360311409', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S56808608', 'display_name': 'Biopolymers', 'issn_l': '0006-3525', 'issn': ['0006-3525', '1097-0282'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/1793813', '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': None, 'sustainable_development_goals': [{'score': 0.62, 'id': 'https://metadata.un.org/sdg/6', 'display_name': 'Clean water and sanitation'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 63, 'referenced_works': ['https://openalex.org/W1480688599', 'https://openalex.org/W1593567129', 'https://openalex.org/W1967843914', 'https://openalex.org/W1982552682', 'https://openalex.org/W1991476029', 'https://openalex.org/W2001122662', 'https://openalex.org/W2004185660', 'https://openalex.org/W2004211126', 'https://openalex.org/W2009578701', 'https://openalex.org/W2009597996', 'https://openalex.org/W2009857679', 'https://openalex.org/W2012828384', 'https://openalex.org/W2014550271', 'https://openalex.org/W2016498788', 'https://openalex.org/W2022072600', 'https://openalex.org/W2031348819', 'https://openalex.org/W2032014963', 'https://openalex.org/W2038486778', 'https://openalex.org/W2040286733', 'https://openalex.org/W2043362256', 'https://openalex.org/W2045240376', 'https://openalex.org/W2050628347', 'https://openalex.org/W2054697252', 'https://openalex.org/W2059014277', 'https://openalex.org/W2062102053', 'https://openalex.org/W2064160525', 'https://openalex.org/W2064542810', 'https://openalex.org/W2065213482', 'https://openalex.org/W2065792133', 'https://openalex.org/W2066382609', 'https://openalex.org/W2067348747', 'https://openalex.org/W2068020011', 'https://openalex.org/W2070087106', 'https://openalex.org/W2072722177', 'https://openalex.org/W2073039991', 'https://openalex.org/W2075668341', 'https://openalex.org/W2080706540', 'https://openalex.org/W2088107416', 'https://openalex.org/W2088220901', 'https://openalex.org/W2089383475', 'https://openalex.org/W2090270102', 'https://openalex.org/W2090672657', 'https://openalex.org/W2095373137', 'https://openalex.org/W2097933873', 'https://openalex.org/W2106329043', 'https://openalex.org/W2107512445', 'https://openalex.org/W2110989692', 'https://openalex.org/W2129064469', 'https://openalex.org/W2162513583', 'https://openalex.org/W2168255261', 'https://openalex.org/W2168569042', 'https://openalex.org/W2317638871', 'https://openalex.org/W2324989034', 'https://openalex.org/W2480266993', 'https://openalex.org/W2486711980', 'https://openalex.org/W2502497837', 'https://openalex.org/W2620717122', 'https://openalex.org/W3004972528', 'https://openalex.org/W4210516267', 'https://openalex.org/W4240489303', 'https://openalex.org/W4247186876', 'https://openalex.org/W4247443954', 'https://openalex.org/W4250709082'], 'related_works': ['https://openalex.org/W2417342960', 'https://openalex.org/W2326953128', 'https://openalex.org/W2162957392', 'https://openalex.org/W2091477849', 'https://openalex.org/W2048917256', 'https://openalex.org/W2045382324', 'https://openalex.org/W2004185660', 'https://openalex.org/W1991781557', 'https://openalex.org/W1982283396', 'https://openalex.org/W1978739492'], 'abstract_inverted_index': {'The': [0, 87], '"random': [1, 130], 'coil"': [2, 131], 'conformational': [3], 'problem': [4], 'is': [5, 77, 94, 126, 159], 'examined': [6], 'by': [7, 84, 153, 162], 'comparison': [8], 'of': [9, 14, 21, 33, 51, 65, 73, 89, 109, 114, 137, 164, 166, 181, 194], 'vibrational': [10], 'CD': [11, 31, 70], '(VCD)': [12], 'spectra': [13, 32, 50, 72, 81, 180], 'various': [15], 'polypeptide': [16], 'model': [17, 92], 'systems': [18], 'with': [19], 'that': [20, 79, 113, 128, 209], 'proline': [22, 58, 74], 'oligomers': [23, 204], '[(Pro)n]': [24], 'and': [25, 29, 46, 56, 68, 108, 155, 175, 186, 205, 208], 'poly(L-proline).': [26], 'VCD,': [27], 'ir': [28], 'uv': [30], 'blocked': [34], 'L-proline': [35, 182, 224], 'oligopeptides': [36], '[(Pro)n,': [37], 'n': [38], '=': [39, 117], '2-12]': [40], 'in': [41, 99, 103, 202], 'different': [42], 'solvents': [43], 'are': [44, 82, 216, 220], 'reported': [45], 'compared': [47], 'to': [48, 96, 112, 142], 'the': [49, 62, 66, 122, 129, 143, 178, 203], 'poly(L-proline)': [52, 106, 184], 'II,': [53, 185], 'poly(L-glutamic': [54, 187, 214], 'acid),': [55], 'unblocked': [57], 'oligomers.': [59, 225], 'Based': [60, 120], 'on': [61, 121, 177], 'chain-length': [63], 'dependence': [64], 'VCD': [67, 80, 88, 179], 'electronic': [69], '(ECD)': [71], 'oligomers,': [75, 183], 'it': [76, 125], 'established': [78], 'dominated': [83], 'short-range': [85], 'interactions.': [86], 'random': [90], 'coil': [91], 'polypeptides': [93, 211], 'shown': [95], 'be': [97], 'identical': [98], 'shape': [100], 'but': [101], 'smaller': [102], 'magnitude': [104, 111], 'than': [105, 219], 'II': [107, 147], 'similar': [110, 141], '(Pro)n': [115], '(n': [116], '3,': [118], '4).': [119], 'spectral': [123], 'evidence,': [124], 'concluded': [127], 'conformation': [132], 'has': [133], 'a': [134, 197], 'large': [135], 'fraction': [136], 'helical': [138], 'regions,': [139], 'conformationally': [140], 'left-handed,': [144], '3(1)': [145], 'polyproline': [146, 221], 'helix,': [148], 'as': [149, 213], 'was': [150], 'previously': [151], 'suggested': [152], 'Krimm': [154], 'co-workers.': [156], 'This': [157], 'conclusion': [158], 'further': [160], 'supported': [161], 'studies': [163], 'effects': [165], 'salt': [167], '(CaCl2,': [168], 'LiBr,': [169], 'LiClO4),': [170], 'temperature': [171], '(5-75': [172], 'degrees': [173], 'C),': [174], 'pH': [176], 'acid).': [188], 'These': [189], 'show': [190], 'that,': [191], 'after': [192], 'each': [193], 'these': [195], 'perturbations,': [196], 'significant': [198], 'local': [199], 'ordering': [200], 'remains': [201], 'polymers': [206], 'studied,': [207], 'charged': [210], 'such': [212], 'acid)': [215], 'more': [217], 'flexible': [218], 'or': [222], 'even': [223]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2162957392', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 4}, {'year': 2022, 'cited_by_count': 11}, {'year': 2021, 'cited_by_count': 7}, {'year': 2020, 'cited_by_count': 6}, {'year': 2019, 'cited_by_count': 1}, {'year': 2018, 'cited_by_count': 7}, {'year': 2017, 'cited_by_count': 8}, {'year': 2016, 'cited_by_count': 5}, {'year': 2015, 'cited_by_count': 6}, {'year': 2014, 'cited_by_count': 7}, {'year': 2013, 'cited_by_count': 5}, {'year': 2012, 'cited_by_count': 17}], 'updated_date': '2024-12-11T16:01:11.524126', 'created_date': '2016-06-24'}