Structure of PDB 5lqu Chain A

Receptor sequence
>5lquA (length=213) Species: 10116 (Rattus norvegicus) [Search protein sequence]
DTKEQRILRYVQQNAKPGDPQSVLEAIDTYCTQKEWAMNVGDAKGQIMDA
VIREYSPSLVLELGAYCGYSAVRMARLLQPGARLLTMEMNPDYAAITQQM
LNFAGLQDKVTILNGASQDLIPQLKKKYDVDTLDMVFLDHWKDRYLPDTL
LLEKCGLLRKGTVLLADNVIVPGTPDFLAYVRGSSSFECTHYSSYLEYMK
VVDGLEKAIYQGP
3D structure
PDB5lqu Crystal Structure of COMT in complex with N-[(E)-3-[(2R,3S,4R,5R)-5-[6-(ethylamino)purin-9-yl]-3,4-dihydroxyoxolan-2-yl]prop-2-enyl]-5-(4-fluorophenyl)-2,3-dihydroxybenzamide
ChainA
Resolution1.8 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 619 A W38 M40 Y68 E90 M91 A118 S119 D141 H142 W143 K144 N170 P174 E199 W36 M38 Y66 E88 M89 A116 S117 D139 H140 W141 K142 N168 P172 E197
BS02 MG A D141 D169 N170 D139 D167 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:5lqu, PDBe:5lqu, PDBj:5lqu
PDBsum5lqu
PubMed
UniProtP22734|COMT_RAT Catechol O-methyltransferase (Gene Name=Comt)

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