Structure of PDB 2o3s Chain B

Receptor sequence
>2o3sB (length=252) Species: 9606 (Homo sapiens) [Search protein sequence]
FWRQTWSGPGTTKRFPETVLARCVKYTEIHPEMRHVDCQSVWDAFKGAFI
SKHPCDITEEDYQPLMKLGTQTVPCNKILLWSRIKDLAHQFTQVQRDMFT
LEDTLLGYLADDLTWCGEFDTSKINYQSCPDWRKDCSNNPVSVFWKTVSR
RFAEAACDVVHVMLDGSRSKIFDKDSTFGSVGVHNLQPEKVQTLEAWVIH
GGREDSRDLCQDPTIKELESIISKRNIQFSCKNIYRPDKFLQCVKNPEDS
SC
3D structure
PDB2o3s Structural basis for formation and hydrolysis of the calcium messenger cyclic ADP-ribose by human CD38
ChainB
Resolution1.5 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) E146 T221 G226
Catalytic site (residue number reindexed from 1) E102 T177 G182
Enzyme Commision number 2.4.99.20: 2'-phospho-ADP-ribosyl cyclase/2'-phospho-cyclic-ADP-ribose transferase.
3.2.2.-
3.2.2.6: ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase.
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 CXR B W125 R127 E146 D155 D156 V185 W189 S193 T221 W81 R83 E102 D111 D112 V141 W145 S149 T177
Gene Ontology
Molecular Function
GO:0061809 NAD+ nucleotidase, cyclic ADP-ribose generating

View graph for
Molecular Function
External links
PDB RCSB:2o3s, PDBe:2o3s, PDBj:2o3s
PDBsum2o3s
PubMed17182614
UniProtP28907|CD38_HUMAN ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase 1 (Gene Name=CD38)

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