Structure of PDB 1a7a Chain A Binding Site BS01

Receptor Information
>1a7a Chain A (length=431) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SDKLPYKVADIGLAAWGRKALDIAENEMPGLMRMRERYSASKPLKGARIA
GCLHMTVETAVLIETLVTLGAEVQWSSCNIFSTQNHAAAAIAKAGIPVYA
WKGETDEEYLWCIEQTLYFKDGPLNMILDDGGDLTNLIHTKYPQLLPGIR
GISEETTTGVHNLYKMMANGILKVPAINVNDSVTKSKFDNLYGCRESLID
GIKRATDVMIAGKVAVVAGYGDVGKGCAQALRGFGARVIITEIDPINALQ
AAMEGYEVTTMDEACQEGNIFVTTTGCIDIILGRHFEQMKDDAIVCNIGH
FDVEIDVKWLNENAVEKVNIKPQVDRYRLKNGRRIILLAEGRLVNLGCAM
GHPSFVMSNSFTNQVMAQIELWTHPDKYPVGVHFLPKKLDEAVAEAHLGK
LNVKLTKLTEKQAQYLGMSCDGPFKPDHYRY
Ligand information
Ligand IDNAD
InChIInChI=1S/C21H27N7O14P2/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(32)14(30)11(41-21)6-39-44(36,37)42-43(34,35)38-5-10-13(29)15(31)20(40-10)27-3-1-2-9(4-27)18(23)33/h1-4,7-8,10-11,13-16,20-21,29-32H,5-6H2,(H5-,22,23,24,25,33,34,35,36,37)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
InChIKeyBAWFJGJZGIEFAR-NNYOXOHSSA-N
SMILES
SoftwareSMILES
CACTVS 3.341NC(=O)c1ccc[n+](c1)[C@@H]2O[C@H](CO[P]([O-])(=O)O[P@](O)(=O)OC[C@H]3O[C@H]([C@H](O)[C@@H]3O)n4cnc5c(N)ncnc45)[C@@H](O)[C@H]2O
OpenEye OEToolkits 1.5.0c1cc(c[n+](c1)C2C(C(C(O2)COP(=O)([O-])OP(=O)(O)OCC3C(C(C(O3)n4cnc5c4ncnc5N)O)O)O)O)C(=O)N
CACTVS 3.341NC(=O)c1ccc[n+](c1)[CH]2O[CH](CO[P]([O-])(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O)[CH]3O)n4cnc5c(N)ncnc45)[CH](O)[CH]2O
OpenEye OEToolkits 1.5.0c1cc(c[n+](c1)[C@H]2[C@@H]([C@@H]([C@H](O2)CO[P@@](=O)([O-])O[P@@](=O)(O)OC[C@@H]3[C@H]([C@H]([C@@H](O3)n4cnc5c4ncnc5N)O)O)O)O)C(=O)N
FormulaC21 H27 N7 O14 P2
NameNICOTINAMIDE-ADENINE-DINUCLEOTIDE
ChEMBLCHEMBL1234613
DrugBankDB14128
ZINC
PDB chain1a7a Chain A Residue 433 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1a7a Structure determination of selenomethionyl S-adenosylhomocysteine hydrolase using data at a single wavelength.
Resolution2.8 Å
Binding residue
(original residue number in PDB)		T157 T158 T159 N191 G222 D223 V224 E243 I244 N248 T275 T276 C278 I281 I299 G300 H301 N346 H353
Binding residue
(residue number reindexed from 1)		T156 T157 T158 N190 G221 D222 V223 E242 I243 N247 T274 T275 C277 I280 I298 G299 H300 N345 H352
Annotation score2
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.
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
View graph for
Cellular Component
External links
PDB RCSB:1a7a, PDBe:1a7a, PDBj:1a7a
PDBsum1a7a
PubMed9586999
UniProtP23526|SAHH_HUMAN Adenosylhomocysteinase (Gene Name=AHCY)

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