Structure of PDB 1xs4 Chain E Binding Site BS01

Receptor Information
>1xs4 Chain E (length=193) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MRLCDRDIEAWLDEGRLSINPRPPVERINGATVDVRLGNKFRTFRGHTAA
FIDLSGPKDEVSAALDRVMSDEIVLDEGEAFYLHPGELALAVTLESVTLP
ADLVGWLDGRSSLARLGLMVHVTAHRIDPGWSGCIVLAFYNSGKLPLALR
PGMLIGALSFEPLSGPAVRPYNRREDAKYRNQQGAVASRIDKD
Ligand information
Ligand IDDCP
InChIInChI=1S/C9H16N3O13P3/c10-7-1-2-12(9(14)11-7)8-3-5(13)6(23-8)4-22-27(18,19)25-28(20,21)24-26(15,16)17/h1-2,5-6,8,13H,3-4H2,(H,18,19)(H,20,21)(H2,10,11,14)(H2,15,16,17)/t5-,6+,8+/m0/s1
InChIKeyRGWHQCVHVJXOKC-SHYZEUOFSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OP(=O)(O)OCC2OC(N1C(=O)N=C(N)C=C1)CC2O
OpenEye OEToolkits 1.5.0C1C(C(OC1N2C=CC(=NC2=O)N)COP(=O)(O)OP(=O)(O)OP(=O)(O)O)O
CACTVS 3.341NC1=NC(=O)N(C=C1)[C@H]2C[C@H](O)[C@@H](CO[P@](O)(=O)O[P@](O)(=O)O[P](O)(O)=O)O2
OpenEye OEToolkits 1.5.0C1[C@@H]([C@H](O[C@H]1N2C=CC(=NC2=O)N)CO[P@@](=O)(O)O[P@@](=O)(O)OP(=O)(O)O)O
CACTVS 3.341NC1=NC(=O)N(C=C1)[CH]2C[CH](O)[CH](CO[P](O)(=O)O[P](O)(=O)O[P](O)(O)=O)O2
FormulaC9 H16 N3 O13 P3
Name2'-DEOXYCYTIDINE-5'-TRIPHOSPHATE
ChEMBLCHEMBL560403
DrugBankDB03258
ZINCZINC000008215945
PDB chain1xs4 Chain E Residue 5194 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB1xs4 Structures of dCTP deaminase from Escherichia coli with bound substrate and product: reaction mechanism and determinants of mono- and bifunctionality for a family of enzymes
Resolution2.53 Å
Binding residue
(original residue number in PDB)		A124 R126 D128 W131 I135 V136 Y171 R174 A177 K178
Binding residue
(residue number reindexed from 1)		A124 R126 D128 W131 I135 V136 Y171 R174 A177 K178
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) S111 R115 A124 R126 A138
Catalytic site (residue number reindexed from 1) S111 R115 A124 R126 A138
Enzyme Commision number 3.5.4.13: dCTP deaminase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0008829 dCTP deaminase activity
GO:0016787 hydrolase activity
GO:0042802 identical protein binding
Biological Process
GO:0006226 dUMP biosynthetic process
GO:0006229 dUTP biosynthetic process
GO:0006235 dTTP biosynthetic process
GO:0009117 nucleotide metabolic process
GO:0009314 response to radiation
GO:0015949 nucleobase-containing small molecule interconversion
GO:0070207 protein homotrimerization
Cellular Component
GO:0005829 cytosol
GO:0032991 protein-containing complex

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1xs4, PDBe:1xs4, PDBj:1xs4
PDBsum1xs4
PubMed15539408
UniProtP28248|DCD_ECOLI dCTP deaminase (Gene Name=dcd)

[Back to BioLiP]