{"id":"https://openalex.org/W2129653386","doi":"https://doi.org/10.4314/bcse.v16i2.20943","title":"A CONFORMATIONAL STUDY OF PROLINE DERIVATIVES","display_name":"A CONFORMATIONAL STUDY OF PROLINE DERIVATIVES","publication_year":2002,"publication_date":"2002-01-01","ids":{"openalex":"https://openalex.org/W2129653386","doi":"https://doi.org/10.4314/bcse.v16i2.20943","mag":"2129653386"},"language":"en","primary_location":{"id":"pmh:oai:CiteSeerX.psu:10.1.1.1025.5460","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1025.5460","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.ajol.info/index.php/bcse/article/download/20943/18855/","raw_type":"text"},"volume":null,"type":"article","indexed_in":["doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.ajol.info/index.php/bcse/article/view/20943","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5069263595","display_name":"\u039c. E. Kamwaya","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I182078086","display_name":"University of Dar es Salaam","ror":"https://ror.org/0479aed98","country_code":"TZ","type":"education","lineage":["https://openalex.org/I182078086"]}],"countries":["TZ"],"is_corresponding":false,"raw_author_name":"\u039c. E. Kamwaya","raw_affiliation_strings":["Chemistry Department, University of Dar es Salaam, P. O. Box 35061, Dar es Salaam Tanzania"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chemistry Department, University of Dar es Salaam, P. O. Box 35061, Dar es Salaam Tanzania","institution_ids":["https://openalex.org/I182078086"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016906969","display_name":"Faustin Nazareno Ngassapa","orcid":"https://orcid.org/0009-0002-7110-8257","observed_orcids":["https://orcid.org/0009-0002-7110-8257"]},"institutions":[{"id":"https://openalex.org/I182078086","display_name":"University of Dar es Salaam","ror":"https://ror.org/0479aed98","country_code":"TZ","type":"education","lineage":["https://openalex.org/I182078086"]}],"countries":["TZ"],"is_corresponding":false,"raw_author_name":"Faustin Ngassapa","raw_affiliation_strings":["Chemistry Department, University of Dar es Salaam, P. O. Box 35061, Dar es Salaam Tanzania"],"raw_orcid":"https://orcid.org/0009-0002-7110-8257","affiliations":[{"raw_affiliation_string":"Chemistry Department, University of Dar es Salaam, P. O. Box 35061, Dar es Salaam Tanzania","institution_ids":["https://openalex.org/I182078086"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I182078086"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.13475389,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"16","issue":"2","first_page":"199","last_page":"206"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10044","display_name":"Protein Structure and Dynamics","score":0.9394999742507935,"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":0.9394999742507935,"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/T10911","display_name":"Chemical Synthesis and Analysis","score":0.04879999905824661,"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/T12748","display_name":"Molecular spectroscopy and chirality","score":0.003100000089034438,"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/proline-derivatives","display_name":"proline derivatives","score":0.9959999918937683},{"id":"https://openalex.org/keywords/molecular-conformation","display_name":"molecular conformation","score":0.8870000243186951},{"id":"https://openalex.org/keywords/steric-repulsion","display_name":"steric repulsion","score":0.9380000233650208},{"id":"https://openalex.org/keywords/pyrrolidine-ring","display_name":"pyrrolidine ring","score":0.7799999713897705},{"id":"https://openalex.org/keywords/dihedral-angle","display_name":"dihedral angle","score":0.75},{"id":"https://openalex.org/keywords/cis-trans-isomerism","display_name":"cis-trans isomerism","score":0.5789999961853027},{"id":"https://openalex.org/keywords/peptide-conformation","display_name":"peptide conformation","score":0.3720000088214874}],"concepts":[{"id":"https://openalex.org/C201194858","wikidata":"https://www.wikidata.org/wiki/Q898238","display_name":"Steric effects","level":2,"score":0.9546836614608765},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9456102848052979},{"id":"https://openalex.org/C2778851528","wikidata":"https://www.wikidata.org/wiki/Q408898","display_name":"Pyrrolidine","level":2,"score":0.8051649332046509},{"id":"https://openalex.org/C2779815552","wikidata":"https://www.wikidata.org/wiki/Q484583","display_name":"Proline","level":3,"score":0.6559615135192871},{"id":"https://openalex.org/C89025888","wikidata":"https://www.wikidata.org/wiki/Q911907","display_name":"Dihedral angle","level":4,"score":0.5829430222511292},{"id":"https://openalex.org/C166950319","wikidata":"https://www.wikidata.org/wiki/Q245031","display_name":"Intermolecular force","level":3,"score":0.529732882976532},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.5291077494621277},{"id":"https://openalex.org/C112887158","wikidata":"https://www.wikidata.org/wiki/Q169324","display_name":"Hydrogen bond","level":3,"score":0.5000925064086914},{"id":"https://openalex.org/C8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","level":1,"score":0.4999561309814453},{"id":"https://openalex.org/C32909587","wikidata":"https://www.wikidata.org/wiki/Q11369","display_name":"Molecule","level":2,"score":0.34508997201919556},{"id":"https://openalex.org/C515207424","wikidata":"https://www.wikidata.org/wiki/Q8066","display_name":"Amino acid","level":2,"score":0.2206922471523285},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.08161354064941406},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:CiteSeerX.psu:10.1.1.1025.5460","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.1025.5460","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.ajol.info/index.php/bcse/article/download/20943/18855/","raw_type":"text"},{"id":"pmh:oai:doaj.org/article:083619a5f1694414a7f480c7efa972cc","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/083619a5f1694414a7f480c7efa972cc","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Bulletin of the Chemical Society of Ethiopia, Vol 16, Iss 2, Pp 199-206 (2002)","raw_type":"article"},{"id":"mag:2129653386","doi":"https://doi.org/10.4314/bcse.v16i2.20943","is_oa":true,"landing_page_url":"https://www.ajol.info/index.php/bcse/article/view/20943","pdf_url":null,"source":{"id":"https://openalex.org/S170147049","display_name":"Bulletin of the Chemical Society of Ethiopia","issn_l":"1011-3924","issn":["1011-3924","1726-801X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-d","jpps-2","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310311046","host_organization_name":"Chemical Society of Ethiopia","host_organization_lineage":["https://openalex.org/P4310311046"],"host_organization_lineage_names":["Chemical Society of Ethiopia"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Bulletin of the Chemical Society of Ethiopia","raw_type":null}],"best_oa_location":{"id":"mag:2129653386","doi":"https://doi.org/10.4314/bcse.v16i2.20943","is_oa":true,"landing_page_url":"https://www.ajol.info/index.php/bcse/article/view/20943","pdf_url":null,"source":{"id":"https://openalex.org/S170147049","display_name":"Bulletin of the Chemical Society of Ethiopia","issn_l":"1011-3924","issn":["1011-3924","1726-801X"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-d","jpps-2","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310311046","host_organization_name":"Chemical Society of Ethiopia","host_organization_lineage":["https://openalex.org/P4310311046"],"host_organization_lineage_names":["Chemical Society of Ethiopia"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Bulletin of the Chemical Society of Ethiopia","raw_type":null},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2089673268","https://openalex.org/W2065457032","https://openalex.org/W7140247689","https://openalex.org/W2120538890","https://openalex.org/W7097083672","https://openalex.org/W1981368863","https://openalex.org/W2109843715","https://openalex.org/W2073962404","https://openalex.org/W7139212851","https://openalex.org/W1979647297"],"abstract_inverted_index":{"ABSTRACT.":[0],"From":[1],"the":[2,5,39,52,63,66,70,75,78,82,85,93,99,104,154,159,167,177,204,211,232,235,251],"study":[3],"of":[4,10,13,23,38,51,87,92,95,158,179,231],"structures":[6],"and":[7,81,103,115,121,134,187,197,201,213,224,248,253],"molecular":[8],"conformations":[9],"a":[11,33],"number":[12],"proline":[14],"derivatives,":[15],"some":[16],"conclusions":[17],"were":[18],"drawn.":[19],"The":[20,90,125,144,193,208,229],"widening":[21],"effect":[22,59],"angle":[24,86,94,127],"C\u03b1-C'-N":[25],"'":[26],"is":[27,60,77,84,112,170,174,195,220,244],"caused":[28],"by":[29,62],"steric":[30,79,88,96],"repulsion":[31,80,97],"between":[32,65,101,210],"hydrogen":[34,68],"atom":[35],"at":[36,46,152,166,234],"C\u03b1":[37,48,102,106],"preceding":[40],"prolyl":[41],"residue":[42],"with":[43,119],"any":[44],"other":[45],"either":[47,153],"or":[49,156,181,239],"C\u03b4":[50],"pyrrolidine":[53,160],"ring":[54],"cis":[55,109,122,252],"to":[56,98,110,241],"it.":[57],"This":[58],"influenced":[61],"distance":[64,73,100,209,243],"said":[67],"atoms:":[69],"nearer":[71],"this":[72,242],"is,":[74],"greater":[76],"wider":[83],"repulsion.":[89],"ratio":[91],"following":[105],"(or":[107,215],"C\u03b4)":[108],"it":[111],"approximately":[113],"40":[114],"41":[116],"for":[117,129,176,203,226,250],"peptides":[118,186],"trans":[120],"configurations,":[123],"respectively.":[124,207],"torsion":[126],"ranges":[128],"\u03c71,":[130],"\u03c73,":[131],"\u03c74,":[132],"\u03b8":[133],"\u03d5":[135],"in":[136,184],"these":[137],"derivatives":[138],"are":[139],"widened":[140],"more":[141,148],"than":[142],"usual.":[143],"highest":[145],"vibration,":[146],"which":[147],"often":[149],"takes":[150],"place":[151],"C\u03b2":[155],"C\u03b3":[157],"ring,":[161],"does":[162],"so":[163],"not":[164],"necessarily":[165],"one":[168],"that":[169,190],"puckered.":[171],"A":[172],"\u2206\u03a8-relationship":[173,194],"established,":[175],"determination":[178],"\u03b1-helixity":[180],"collageneity,":[182],"also":[183,245],"small":[185],"amino":[188],"acids":[189],"contain":[191],"proline.":[192],"versatile":[196],"gives":[198],"about":[199],"+180o":[200],"\u2013180o":[202],"two":[205],"categories,":[206],"carbonyl":[212,236],"hydroxyl":[214],"otherwise)":[216],"terminal":[217],"end":[218],"atoms":[219],"minimal":[221],"(2.2":[222],"\u00c5)":[223],"constant,":[225],"all":[227],"peptides.":[228],"ratios":[230],"angles":[233],"carbons":[237],"(O'-C'-N')":[238],"(O'-C'-O')":[240],"constant:":[246],"56":[247],"57":[249]},"counts_by_year":[],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2016-06-24T00:00:00"}
