Structure of PDB 5pa7 Chain A

Receptor sequence
>5pa7A (length=213) Species: 10116 (Rattus norvegicus) [Search protein sequence]
DTKEQRILRYVQQNAKPGDPQSVLEAIDTYCTQKEWAMNVGDAKGQIMDA
VIREYSPSLVLELGAYCGYSAVRMARLLQPGARLLTMEINPDCAAITQQM
LNFAGLQDKVTILNGASQDLIPQLKKKYDVDTLDMVFLDHWKDRYLPDTL
LLEKCGLLRKGTVLLADNVIVPGTPDFLAYVRGSSSFECTHYSSYLEYMK
VVDGLEKAIYQGP
3D structure
PDB5pa7 Crystal Structure of a COMT complex
ChainA
Resolution2.12 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D141 K144 D169 N170 E199
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 M40 V42 G66 Y68 S72 E90 I91 A118 S119 D141 H142 W143 M38 V40 G64 Y66 S70 E88 I89 A116 S117 D139 H140 W141
BS02 MG A D141 D169 N170 D139 D167 N168
BS03 7JX A M40 D141 H142 K144 N170 M38 D139 H140 K142 N168
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

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Molecular Function
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Biological Process
External links
PDB RCSB:5pa7, PDBe:5pa7, PDBj:5pa7
PDBsum5pa7
PubMed
UniProtP22734|COMT_RAT Catechol O-methyltransferase (Gene Name=Comt)

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