Structure of PDB 5lqu Chain B

Receptor sequence
>5lquB (length=214) Species: 10116 (Rattus norvegicus) [Search protein sequence]
GDTKEQRILRYVQQNAKPGDPQSVLEAIDTYCTQKEWAMNVGDAKGQIMD
AVIREYSPSLVLELGAYCGYSAVRMARLLQPGARLLTMEMNPDYAAITQQ
MLNFAGLQDKVTILNGASQDLIPQLKKKYDVDTLDMVFLDHWKDRYLPDT
LLLEKCGLLRKGTVLLADNVIVPGTPDFLAYVRGSSSFECTHYSSYLEYM
KVVDGLEKAIYQGP
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
ChainB
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) D140 K143 D168 N169 E198
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 B W38 M40 Y68 E90 M91 Y95 S119 D141 H142 W143 K144 N170 P174 L198 E199 W37 M39 Y67 E89 M90 Y94 S118 D140 H141 W142 K143 N169 P173 L197 E198
BS02 MG B D141 D169 N170 D140 D168 N169
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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