Structure of PDB 4ktv Chain B

Receptor sequence
>4ktvB (length=381) Species: 9606 (Homo sapiens) [Search protein sequence]
EGTFLFTSESVGEGHPDKICDQISDAVLDAHLQQDPDAKVACETVAKTGM
ILLAGEITSRAAVDYQKVVREAVKHIGYDDSSKGFDYKTCNVLVALEQQS
PDIAQGVHLDRNEEDIGAGDQGLMFGYATDETEECMPLTIVLAHKLNAKL
AELRRNGTLPWLRPDSKTQVTVQYMQDRGAVLPIRVHTIVISVQHDEEVC
LDEMRDALKEKVIKAVVPAKYLDEDTIYHLQPSGRFVIGGPQGDAGLTGR
KIIVDTYGGWGAHGGGAFSGKDYTKVDRSAAYAARWVAKSLVKGGLCRRV
LVQVSYAIGVSHPLSISIFHYGTSQKSERELLEIVKKNFDLRPGVIVRDL
DLKKPIYQRTAAYGHFGRDSFPWEVPKKLKY
3D structure
PDB4ktv Structure and function study of the complex that synthesizes S-adenosylmethionine.
ChainB
Resolution3.3 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H29 D31 K32 E57 E70 K181 F250 D258 A259 R264 K265 K285 K289 D291
Catalytic site (residue number reindexed from 1) H15 D17 K18 E43 E56 K167 F236 D244 A245 R250 K251 K271 K275 D277
Enzyme Commision number 2.5.1.6: methionine adenosyltransferase.
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 ADN B D116 D134 D102 D120
Gene Ontology
Molecular Function
GO:0004478 methionine adenosyltransferase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016740 transferase activity
GO:0036094 small molecule binding
GO:0042802 identical protein binding
GO:0046872 metal ion binding
Biological Process
GO:0006556 S-adenosylmethionine biosynthetic process
GO:0006730 one-carbon metabolic process
GO:0034214 protein hexamerization
GO:0051291 protein heterooligomerization
GO:0061431 cellular response to methionine
GO:1904263 positive regulation of TORC1 signaling
GO:1990830 cellular response to leukemia inhibitory factor
Cellular Component
GO:0005829 cytosol
GO:0048269 methionine adenosyltransferase complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4ktv, PDBe:4ktv, PDBj:4ktv
PDBsum4ktv
PubMed25075345
UniProtP31153|METK2_HUMAN S-adenosylmethionine synthase isoform type-2 (Gene Name=MAT2A)

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