Structure of PDB 4xud Chain A Binding Site BS03

Receptor Information
>4xud Chain A (length=218) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NLLAGDTKEQRILNHVLQHAEPGNAQSVLEAIDTYCEQKEWAMNVGDKKG
KIVDAVIQEHQPSVLLELGAYCGYSAVRMARLLSPGARLITIEINPDCAA
ITQRMVDFAGVKDKVTLVVGASQDIIPQLKKKYDVDTLDMVFLDHWKDRY
LPDTLLLEECGLLRKGTVLLADNVICPGAPDFLAHVRGSSCFECTHYQSF
LEYREVVDGLEKAIYKGP
Ligand information
Ligand IDSAM
InChIInChI=1S/C15H22N6O5S/c1-27(3-2-7(16)15(24)25)4-8-10(22)11(23)14(26-8)21-6-20-9-12(17)18-5-19-13(9)21/h5-8,10-11,14,22-23H,2-4,16H2,1H3,(H2-,17,18,19,24,25)/t7-,8+,10+,11+,14+,27-/m0/s1
InChIKeyMEFKEPWMEQBLKI-FCKMPRQPSA-N
SMILES
SoftwareSMILES
CACTVS 3.341C[S@@+](CC[C@H](N)C([O-])=O)C[C@H]1O[C@H]([C@H](O)[C@@H]1O)n2cnc3c(N)ncnc23
OpenEye OEToolkits 1.5.0C[S+](CCC(C(=O)[O-])N)CC1C(C(C(O1)n2cnc3c2ncnc3N)O)O
CACTVS 3.341C[S+](CC[CH](N)C([O-])=O)C[CH]1O[CH]([CH](O)[CH]1O)n2cnc3c(N)ncnc23
OpenEye OEToolkits 1.5.0C[S@@+](CC[C@@H](C(=O)[O-])N)C[C@@H]1[C@H]([C@H]([C@@H](O1)n2cnc3c2ncnc3N)O)O
ACDLabs 10.04[O-]C(=O)C(N)CC[S+](C)CC3OC(n2cnc1c(ncnc12)N)C(O)C3O
FormulaC15 H22 N6 O5 S
NameS-ADENOSYLMETHIONINE
ChEMBLCHEMBL1235831
DrugBank
ZINC
PDB chain4xud Chain A Residue 303 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4xud Synthesis and Evaluation of Heterocyclic Catechol Mimics as Inhibitors of Catechol-O-methyltransferase (COMT).
Resolution2.4 Å
Binding residue
(original residue number in PDB)		M90 N91 V92 G116 Y118 Y121 S122 E140 I141 S169 D191 H192 W193
Binding residue
(residue number reindexed from 1)		M43 N44 V45 G69 Y71 Y74 S75 E93 I94 S122 D144 H145 W146
Annotation score5
Enzymatic activity
Catalytic site (original residue number in PDB) D191 K194 D219 N220 E249
Catalytic site (residue number reindexed from 1) D144 K147 D172 N173 E202
Enzyme Commision number 2.1.1.6: catechol O-methyltransferase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0008171 O-methyltransferase activity
GO:0016206 catechol O-methyltransferase activity
Biological Process
GO:0006584 catecholamine metabolic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:4xud, PDBe:4xud, PDBj:4xud
PDBsum4xud
PubMed25815153
UniProtP21964|COMT_HUMAN Catechol O-methyltransferase (Gene Name=COMT)

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