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4CK

Bonds
First atomSecond atomBond order typeDistance
(experimental model)
Distance
(ideal model)
Properties
N2N1sing1.40Å1.25ÅAromatic
N1CASsing1.35Å1.35ÅAromatic
N2CARdoub1.31Å1.34ÅAromatic
N3CARsing1.40Å1.35Å
N3CAOsing1.35Å1.34Å
N3HN3sing0.97Å1.00Å
OAACANdoub1.21Å1.25Å
CAOOABdoub1.22Å1.23Å
CANOACsing1.35Å1.25Å
OACHOACsing0.97Å0.95Å
CAPCADdoub1.40Å1.40ÅAromatic
CADCAFsing1.38Å1.40ÅAromatic
CADHADsing1.08Å1.08Å
CAECAGdoub1.38Å1.40ÅAromatic
CAECAPsing1.40Å1.39ÅAromatic
CAEHAEsing1.08Å1.08Å
CAQCAFdoub1.40Å1.40ÅAromatic
CAFHAFsing1.08Å1.08Å
CAGCAQsing1.40Å1.41ÅAromatic
CAGHAGsing1.08Å1.08Å
CARCAHsing1.40Å1.36ÅAromatic
CAHCASdoub1.35Å1.34ÅAromatic
CAHHAHsing1.08Å1.08Å
CATCAIsing1.53Å1.53Å
CAJCAIsing1.53Å1.53Å
CAIHAIsing1.09Å1.10Å
CAIHAIAsing1.09Å1.10Å
CATCAJsing1.53Å1.54Å
CAJHAJsing1.09Å1.10Å
CAJHAJAsing1.09Å1.10Å
CANCAPsing1.48Å1.54Å
CAQCAOsing1.48Å1.53Å
CASCATsing1.51Å1.54Å
CATHATsing1.09Å1.10Å
N1HN1sing0.97Å1.00Å
Angles
First atomSecond atomThird atomAngle
(experimental model)
Angle
(ideal model)
N2N1CAS109.5°108.0°
N1N2CAR108.3°108.1°
N2N1HN1125.2°126.0°
N1CASCAH109.1°107.9°
N1CASCAT119.8°126.0°
CASN1HN1125.3°126.0°
N2CARN3121.1°125.9°
N2CARCAH109.4°108.1°
CARN3CAO126.2°120.0°
CARN3HN3116.9°120.0°
N3CARCAH129.5°126.0°
CAON3HN3116.9°120.0°
N3CAOOAB124.1°120.0°
N3CAOCAQ115.9°120.0°
OAACANOAC124.2°120.0°
OAACANCAP118.0°120.0°
OABCAOCAQ119.7°120.0°
CANOACHOAC109.5°117.0°
OACCANCAP117.7°120.0°
CAPCADCAF120.3°120.0°
CAPCADHAD119.9°120.0°
CADCAPCAE120.3°120.0°
CADCAPCAN120.5°120.0°
CAFCADHAD119.9°120.1°
CADCAFCAQ119.7°120.0°
CADCAFHAF120.1°120.0°
CAGCAECAP119.5°120.0°
CAGCAEHAE120.2°120.0°
CAECAGCAQ120.7°120.0°
CAECAGHAG119.7°120.0°
CAPCAEHAE120.2°120.0°
CAECAPCAN119.2°120.0°
CAQCAFHAF120.2°120.0°
CAFCAQCAG119.5°120.0°
CAFCAQCAO118.7°120.0°
CAQCAGHAG119.7°119.9°
CAGCAQCAO121.8°120.0°
CARCAHCAS103.8°107.9°
CARCAHHAH128.1°126.0°
CASCAHHAH128.1°126.1°
CAHCASCAT131.1°126.1°
CATCAICAJ60.2°60.0°
CATCAIHAI130.7°117.5°
CATCAIHAIA130.8°117.5°
CAICATCAJ59.8°59.9°
CAICATCAS119.6°117.5°
CAICATHAT134.1°117.5°
CAJCAIHAI130.8°117.6°
CAJCAIHAIA130.8°117.5°
CAICAJCAT60.0°60.0°
CAICAJHAJ130.9°117.5°
CAICAJHAJA130.9°117.5°
HAICAIHAIA82.0°115.5°
CATCAJHAJ130.9°117.5°
CATCAJHAJA130.9°117.5°
CAJCATCAS117.3°117.5°
CAJCATHAT136.1°117.6°
HAJCAJHAJA81.8°115.5°
CASCATHAT91.8°115.5°
Dihedrals
First atomSecond atomThird atomFourth atomTorsion
(experimental model)
Torsion
(ideal model)
N2N1CASHN1180.0°179.8°
N1N2CARN3178.1°180.0°
N1N2CARCAH0.3°0.0°
N2N1CASCAH0.4°0.0°
N2N1CASCAT176.8°179.7°
CASN1N2CAR0.5°0.0°
N1CASCAHCAR0.2°0.0°
N1CASCAHCAT176.9°179.7°
N1CASCAHHAH179.8°180.0°
N1CASCATCAI148.2°35.0°
N1CASCATCAJ142.7°33.5°
N1CASCATHAT3.2°179.3°
N2CARN3CAH178.1°179.9°
N2CARN3CAO162.2°179.9°
N2CARN3HN317.8°0.0°
N2CARCAHCAS0.1°0.0°
N2CARCAHHAH179.9°180.0°
CARN2N1HN1179.5°179.8°
CARN3CAOHN3180.0°180.0°
CARN3CAOOAB4.3°0.1°
N3CARCAHCAS178.2°180.0°
N3CARCAHHAH1.9°0.1°
CARN3CAOCAQ177.6°180.0°
N3CAOOABCAQ173.0°180.0°
N3CAOCAQCAF155.1°0.6°
N3CAOCAQCAG27.5°179.9°
CAON3CARCAH15.9°0.0°
HN3N3CAOOAB175.7°180.0°
HN3N3CARCAH164.1°180.0°
HN3N3CAOCAQ2.4°0.0°
OAACANOACCAP177.1°180.0°
OAACANOACHOAC0.0°0.0°
OAACANCAPCAD172.4°180.0°
OAACANCAPCAE5.9°0.0°
OABCAOCAQCAF31.3°179.5°
OABCAOCAQCAG146.1°0.0°
OACCANCAPCAD4.8°0.1°
OACCANCAPCAE176.8°180.0°
HOACOACCANCAP177.1°180.0°
CAPCADCAFHAD180.0°179.6°
CADCAPCAECAG0.3°0.5°
CADCAPCAECAN178.3°179.9°
CADCAPCAEHAE179.7°179.7°
CAPCADCAFCAQ1.1°0.4°
CAPCADCAFHAF178.9°179.7°
CAFCADCAPCAE0.6°0.1°
CADCAFCAQHAF180.0°179.9°
CADCAFCAQCAG0.7°0.1°
CAFCADCAPCAN178.9°180.0°
CADCAFCAQCAO176.8°179.4°
HADCADCAPCAE179.4°179.7°
HADCADCAFCAQ178.9°180.0°
HADCADCAFHAF1.1°0.1°
HADCADCAPCAN1.1°0.4°
CAGCAECAPHAE180.0°179.2°
CAECAGCAQCAF0.2°0.5°
CAECAGCAQHAG180.0°179.2°
CAGCAECAPCAN178.1°179.5°
CAECAGCAQCAO177.6°180.0°
CAPCAECAGCAQ0.7°0.8°
CAPCAECAGHAG179.3°180.0°
HAECAECAGCAQ179.3°180.0°
HAECAECAGHAG0.7°0.8°
HAECAECAPCAN1.9°0.3°
CAFCAQCAGCAO177.4°179.5°
CAFCAQCAGHAG179.8°179.7°
HAFCAFCAQCAG179.3°180.0°
HAFCAFCAQCAO3.2°0.5°
HAGCAGCAQCAO2.4°0.8°
CARCAHCASHAH180.0°179.9°
CARCAHCASCAT176.7°179.8°
CAHCASCATCAI35.2°145.3°
CAHCASCATCAJ33.9°146.2°
CAHCASCATHAT179.7°0.4°
CAHCASN1HN1179.6°179.8°
HAHCAHCASCAT3.3°0.3°
CATCAICAJHAI120.0°107.5°
CATCAICAJHAIA120.0°107.5°
CATCAIHAIHAIA138.5°145.6°
CAICATCAJCAS110.1°107.5°
CAICATCAJHAT123.9°107.4°
CAICATCAJHAJ120.0°107.5°
CAICATCAJHAJA120.0°107.5°
CAICATCASHAT145.0°145.7°
CAJCAIHAIHAIA138.5°145.7°
CAICAJHAJHAJA138.6°145.6°
HAICAICAJHAJ0.1°145.0°
HAICAICAJHAJA120.0°0.1°
HAICAICATCAS13.7°145.0°
HAICAICATHAT113.3°0.0°
HAIACAICAJHAJ119.9°0.0°
HAIACAICAJHAJA0.0°145.0°
HAIACAICATCAS133.7°0.1°
HAIACAICATHAT6.7°144.9°
CATCAJHAJHAJA138.6°145.7°
CAJCATCASHAT145.9°145.8°
HAJCAJCATCAS9.9°0.1°
HAJCAJCATHAT116.1°145.0°
HAJACAJCATCAS130.0°145.0°
HAJACAJCATHAT3.9°0.1°
CATCASN1HN13.1°0.0°

250835

PDB entries from 2026-03-18

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