Structure of PDB 1a7a Chain A

Receptor sequence
>1a7aA (length=431) Species: 9606 (Homo sapiens) [Search protein sequence]
SDKLPYKVADIGLAAWGRKALDIAENEMPGLMRMRERYSASKPLKGARIA
GCLHMTVETAVLIETLVTLGAEVQWSSCNIFSTQNHAAAAIAKAGIPVYA
WKGETDEEYLWCIEQTLYFKDGPLNMILDDGGDLTNLIHTKYPQLLPGIR
GISEETTTGVHNLYKMMANGILKVPAINVNDSVTKSKFDNLYGCRESLID
GIKRATDVMIAGKVAVVAGYGDVGKGCAQALRGFGARVIITEIDPINALQ
AAMEGYEVTTMDEACQEGNIFVTTTGCIDIILGRHFEQMKDDAIVCNIGH
FDVEIDVKWLNENAVEKVNIKPQVDRYRLKNGRRIILLAEGRLVNLGCAM
GHPSFVMSNSFTNQVMAQIELWTHPDKYPVGVHFLPKKLDEAVAEAHLGK
LNVKLTKLTEKQAQYLGMSCDGPFKPDHYRY
3D structure
PDB1a7a Structure determination of selenomethionyl S-adenosylhomocysteine hydrolase using data at a single wavelength.
ChainA
Resolution2.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H55 S78 S83 D131 E156 N181 K186 D190 N191 C195 H301 H353 S361 Q365
Catalytic site (residue number reindexed from 1) H54 S77 S82 D130 E155 N180 K185 D189 N190 C194 H300 H352 S360 Q364
Enzyme Commision number 3.13.2.1: adenosylhomocysteinase.
Interaction with ligand
Gene Ontology
Molecular Function
GO:0004013 adenosylhomocysteinase activity
GO:0005515 protein binding
GO:0016787 hydrolase activity
Biological Process
GO:0006730 one-carbon metabolic process
GO:0033353 S-adenosylmethionine cycle
Cellular Component
GO:0005634 nucleus
GO:0005737 cytoplasm
GO:0005783 endoplasmic reticulum
GO:0005829 cytosol
GO:0042470 melanosome
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:1a7a, PDBe:1a7a, PDBj:1a7a
PDBsum1a7a
PubMed9586999
UniProtP23526|SAHH_HUMAN Adenosylhomocysteinase (Gene Name=AHCY)

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