Structure of PDB 4iwn Chain A Binding Site BS01

Receptor Information
>4iwn Chain A (length=229) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TFDERVAEVFPDMIQRSVPGYSNIISMIGMLAERFVQPGTQVYDLGCSLG
AATLSVRRNIHHDNCKIIAIDNSPAMIERCRHHIDAYKAPTPVDVIEGDI
RDIAIENASMVVLNFTLQFLEPSERQALLDKIYQGLNPGGALVLSEKFSF
EDAKVGELLFNMHHDFKRANGYSELEISQKRSMLENVMLTDSVETHKARL
HNAGFEHSELWFQCFNFGSLVALKAEDAA
Ligand information
Ligand IDGEK
InChIInChI=1S/C16H22N6O7S/c17-7(16(27)28)1-2-30(4-9(23)24)3-8-11(25)12(26)15(29-8)22-6-21-10-13(18)19-5-20-14(10)22/h5-8,11-12,15,25-26H,1-4,17H2,(H3-,18,19,20,23,24,27,28)/t7-,8+,11+,12+,15+,30-/m0/s1
InChIKeyVFFTYSZNZJBRBG-HEOPWLPUSA-N
SMILES
SoftwareSMILES
CACTVS 3.370Nc1ncnc2n(cnc12)[CH]3O[CH](C[S+](CC[CH]([NH3+])C([O-])=O)CC([O-])=O)[CH](O)[CH]3O
OpenEye OEToolkits 1.7.6c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)C[S@+](CC[C@@H](C(=O)[O-])[NH3+])CC(=O)[O-])O)O)N
OpenEye OEToolkits 1.7.6c1nc(c2c(n1)n(cn2)C3C(C(C(O3)C[S+](CCC(C(=O)[O-])[NH3+])CC(=O)[O-])O)O)N
CACTVS 3.370Nc1ncnc2n(cnc12)[C@@H]3O[C@H](C[S@+](CC[C@H]([NH3+])C([O-])=O)CC([O-])=O)[C@@H](O)[C@H]3O
ACDLabs 12.01[O-]C(=O)C[S+](CCC(C([O-])=O)[NH3+])CC3OC(n2cnc1c(ncnc12)N)C(O)C3O
FormulaC16 H22 N6 O7 S
Name(2S)-4-[{[(2S,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methyl}(carboxylatomethyl)sulfonio] -2-ammoniobutanoate;
CARBOXY-S-ADENOSYLMETHIONINE
ChEMBL
DrugBank
ZINC
PDB chain4iwn Chain A Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4iwn S-Adenosyl-S-carboxymethyl-L-homocysteine: a novel cofactor found in the putative tRNA-modifying enzyme CmoA.
Resolution1.73 Å
Binding residue
(original residue number in PDB)
F28 Y39 G64 S66 D89 N90 D117 I118 N132 F133 F137 R199
Binding residue
(residue number reindexed from 1)
F10 Y21 G46 S48 D71 N72 D99 I100 N114 F115 F119 R181
Annotation score5
Enzymatic activity
Enzyme Commision number 2.1.3.-
Gene Ontology
Molecular Function
GO:0016740 transferase activity
GO:0016743 carboxyl- or carbamoyltransferase activity
GO:0042803 protein homodimerization activity
GO:1904047 S-adenosyl-L-methionine binding
Biological Process
GO:0002098 tRNA wobble uridine modification
Cellular Component
GO:0005829 cytosol

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:4iwn, PDBe:4iwn, PDBj:4iwn
PDBsum4iwn
PubMed23695253
UniProtP76290|CMOA_ECOLI Carboxy-S-adenosyl-L-methionine synthase (Gene Name=cmoA)

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