Structure of PDB 1k0u Chain H

Receptor sequence
>1k0uH (length=430) Species: 10116 (Rattus norvegicus) [Search protein sequence]
DKLPYKVADIGLAAWGRKALDIAENEMPGLMRMREMYSASKPLKGARIAG
CLHMTVETAVLIETLVALGAEVRWSSCNIFSTQDHAAAAIAKAGIPVFAW
KGETDEEYLWCIEQTLHFKDGPLNMILDDGGDLTNLIHTKHPQLLSGIRG
ISEETTTGVHNLYKMMANGILKVPAINVNDSVTKSKFDNLYGCRESLIDG
IKRATDVMIAGKVAVVAGYGDVGKGCAQALRGFGARVIITEIDPINALQA
AMEGYEVTTMDEACKEGNIFVTTTGCVDIILGRHFEQMKDDAIVCNIGHF
DVEIDVKWLNENAVEKVNIKPQVDRYLLKNGHRIILLAEGRLVNLGCAMG
HPSFVMSNSFTNQVMAQIELWTHPDKYPVGVHFLPKKLDEAVAEAHLGKL
NVKLTKLTEKQAQYLGMPINGPFKPDHYRY
3D structure
PDB1k0u Inhibition of S-adenosylhomocysteine hydrolase by acyclic sugar adenosine analogue D-eritadenine. Crystal structure of S-adenosylhomocysteine hydrolase complexed with D-eritadenine.
ChainH
Resolution3.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H54 S77 S82 D130 E155 N180 K185 D189 N190 C194 H300 H352 S360 Q364
Catalytic site (residue number reindexed from 1) H53 S76 S81 D129 E154 N179 K184 D188 N189 C193 H299 H351 S359 Q363
Enzyme Commision number 3.13.2.1: adenosylhomocysteinase.
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 NAD H K425 Y429 K424 Y428
BS02 NAD H T156 T157 T158 N190 G219 G221 V223 T241 E242 I243 N247 T274 T275 I298 G299 H300 L343 N345 T155 T156 T157 N189 G218 G220 V222 T240 E241 I242 N246 T273 T274 I297 G298 H299 L342 N344
BS03 DEA H T56 E58 E155 K185 D189 L346 H352 M357 T55 E57 E154 K184 D188 L345 H351 M356 BindingDB: IC50=30nM
Gene Ontology
Molecular Function
GO:0004013 adenosylhomocysteinase activity
GO:0005507 copper ion binding
GO:0016787 hydrolase activity
GO:0030554 adenyl nucleotide binding
GO:0042802 identical protein binding
GO:0051287 NAD binding
GO:0098604 adenosylselenohomocysteinase activity
Biological Process
GO:0001666 response to hypoxia
GO:0002439 chronic inflammatory response to antigenic stimulus
GO:0006730 one-carbon metabolic process
GO:0007584 response to nutrient
GO:0019510 S-adenosylhomocysteine catabolic process
GO:0033353 S-adenosylmethionine cycle
GO:0042745 circadian sleep/wake cycle
Cellular Component
GO:0005634 nucleus
GO:0005737 cytoplasm
GO:0005783 endoplasmic reticulum
GO:0005829 cytosol
GO:0042470 melanosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1k0u, PDBe:1k0u, PDBj:1k0u
PDBsum1k0u
PubMed11741948
UniProtP10760|SAHH_RAT Adenosylhomocysteinase (Gene Name=Ahcy)

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