Structure of PDB 2aot Chain B

Receptor sequence
>2aotB (length=288) Species: 9606 (Homo sapiens) [Search protein sequence]
MRSLFSDHGKYVESFRRFLNHSTEHQCMQEFMDKKLPGIIGRIGDTKSEI
KILSIGGGAGEIDLQILSKVQAQYPGVCINNEVVEPSAEQIAKYKELVAK
TSNLENVKFAWHKETSSEYQSRMLEKKELQKWDFIHMIQMLYYVKDIPAT
LKFFHSLLGTNAKMLIIVVSGSSGWDKLWKKYGSRFPQDDLCQYITSDDL
TQMLDNLGLKYECYDLLSTMDISDCFIDGNENGDLLWDFLTETCNFNATA
PPDLRAELGKDLQEPEFSAKKEGKVLFNNTLSFIVIEA
3D structure
PDB2aot Structural basis for inhibition of histamine N-methyltransferase by diverse drugs
ChainB
Resolution1.9 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.1.1.8: histamine N-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 2PM B Y15 F22 Y146 W179 W183 C196 Q197 Y198 F243 E246 Y11 F18 Y142 W175 W179 C192 Q193 Y194 F239 E242
BS02 SAH B G60 E89 P90 Q94 T119 S120 I142 M144 Y147 G56 E85 P86 Q90 T115 S116 I138 M140 Y143 BindingDB: Ki=18100nM
Gene Ontology
Molecular Function
GO:0008168 methyltransferase activity
GO:0008170 N-methyltransferase activity
GO:0046539 histamine N-methyltransferase activity
Biological Process
GO:0001692 histamine metabolic process
GO:0001695 histamine catabolic process
GO:0006548 L-histidine catabolic process
GO:0007585 respiratory gaseous exchange by respiratory system
GO:0032259 methylation
Cellular Component
GO:0005654 nucleoplasm
GO:0005737 cytoplasm
GO:0005813 centrosome
GO:0005829 cytosol
GO:0070062 extracellular exosome

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:2aot, PDBe:2aot, PDBj:2aot
PDBsum2aot
PubMed16168438
UniProtP50135|HNMT_HUMAN Histamine N-methyltransferase (Gene Name=HNMT)

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