Structure of PDB 1xjn Chain B Binding Site BS02

Receptor Information
>1xjn Chain B (length=610) Species: 2336 (Thermotoga maritima) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MKLSDLISRWIDVEPSKNAQIILRDRYFMKDLDGNYLETKWEDVARRVAR
VVATAELLNPSYKKNEKLDRIKEWEDIFFRVLKARLFIPNSPTLFNAGLG
VKHDLLWKPIDQMTLEDYEEIYRSRNHLHMLSACFVVPVGDSIEEIFEAV
KEYALITKVGGGVGSNFSELRPKGSFVAGTHGKASGPVSFMHVFNSAISV
VKQRRGALMGILNINHPDIEEFIDAKKVLNFFNLSVGFPMDKKEILKLYE
EDGELELSHPRSTIRKKVKIRELFRKIATNAWKSGDPGLAFLGEMNKYYP
LYPHRKINSTNPCGEIGLSDYEACNLGSIDVAKFYNNGFVDLEALQELVQ
IAVRFLDNVIDVNVFPIDKITKAVKESRRLGLGIMGFADLLYKLEIPYNS
QEARDFAANLMAFIALHAHRTSYELGKEKGNFPLLEISRYRTEDNFVPFA
MGMSNYDDEIREVMKMTKEFRRNVALLTIAPTGSISNIADTSSGLEPNFL
LAYTRPLLYVNQVLREKLNPEIEKELIEKGSLKDIPDVPEKIKKVFVVAL
DIDPMDHLLMQDAFQRYVDNNISKTINMPQSATVDDVLNVYLEALRTNVR
GITVYRDGSL
Ligand information
Ligand IDCDP
InChIInChI=1S/C9H15N3O11P2/c10-5-1-2-12(9(15)11-5)8-7(14)6(13)4(22-8)3-21-25(19,20)23-24(16,17)18/h1-2,4,6-8,13-14H,3H2,(H,19,20)(H2,10,11,15)(H2,16,17,18)/t4-,6-,7-,8-/m1/s1
InChIKeyZWIADYZPOWUWEW-XVFCMESISA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0C1=CN(C(=O)N=C1N)C2C(C(C(O2)COP(=O)(O)OP(=O)(O)O)O)O
CACTVS 3.341NC1=NC(=O)N(C=C1)[C@@H]2O[C@H](CO[P@](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]2O
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OCC2OC(N1C(=O)N=C(N)C=C1)C(O)C2O
OpenEye OEToolkits 1.5.0C1=CN(C(=O)N=C1N)[C@H]2[C@@H]([C@@H]([C@H](O2)CO[P@@](=O)(O)OP(=O)(O)O)O)O
CACTVS 3.341NC1=NC(=O)N(C=C1)[CH]2O[CH](CO[P](O)(=O)O[P](O)(O)=O)[CH](O)[CH]2O
FormulaC9 H15 N3 O11 P2
NameCYTIDINE-5'-DIPHOSPHATE
ChEMBLCHEMBL425252
DrugBankDB04555
ZINCZINC000008215624
PDB chain1xjn Chain B Residue 1001 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1xjn Structural Mechanism of Allosteric Substrate Specificity Regulation in a Ribonucleotide Reductase
Resolution2.25 Å
Binding residue
(original residue number in PDB)		S91 A133 G162 Q203 R207 R208 N320 C322 E324 P490 T491 G492 S493 I494
Binding residue
(residue number reindexed from 1)		S91 A133 G162 Q203 R204 R205 N311 C313 E315 P481 T482 G483 S484 I485
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) C134 N320 C322 E324 C333 T626 V627
Catalytic site (residue number reindexed from 1) C134 N311 C313 E315 C324 T603 V604
Enzyme Commision number 1.17.4.1: ribonucleoside-diphosphate reductase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0004748 ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor
GO:0005524 ATP binding
GO:0031419 cobalamin binding
Biological Process
GO:0009263 deoxyribonucleotide biosynthetic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:1xjn, PDBe:1xjn, PDBj:1xjn
PDBsum1xjn
PubMed15475969
UniProtO33839

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