Structure of PDB 4pyo Chain A

Receptor sequence
>4pyoA (length=214) Species: 10116 (Rattus norvegicus) [Search protein sequence]
DTKEQRILRYVQQNAKPGDPQSVLEAIDTYCTQKEWAMNVGDAKGQIMDA
VIREYSPSLVLELGAYCGYSAVRMARLLQPGARLLTMEINPDCAAITQQM
LNFAGLQDKVTILNGASQDLIPQLKKKYDVDTLDMVFLDHWKDRYLPDTL
LLEKCGLLRKGTVLLADNVIVPGTPDFLAYVRGSSSFECTHYSSYLEYMK
VVDGLEKAIYQGPS
3D structure
PDB4pyo Mapping the conformational space accessible to catechol-O-methyltransferase.
ChainA
Resolution2.1 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) D184 K187 D212 N213 E242
Catalytic site (residue number reindexed from 1) D139 K142 D167 N168 E197
Enzyme Commision number 2.1.1.6: catechol O-methyltransferase.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 SAH A G109 Y111 S115 E133 I134 A161 S162 D184 H185 W186 G64 Y66 S70 E88 I89 A116 S117 D139 H140 W141 MOAD: ic50~30uM
PDBbind-CN: -logKd/Ki=4.52,IC50~30uM
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:4pyo, PDBe:4pyo, PDBj:4pyo
PDBsum4pyo
PubMed25084335
UniProtP22734|COMT_RAT Catechol O-methyltransferase (Gene Name=Comt)

[Back to BioLiP]