Structure of PDB 2i66 Chain B

Receptor sequence
>2i66B (length=252) Species: 9606 (Homo sapiens) [Search protein sequence]
RWRQTWSGPGTTKRFPETVLARCVKYTEIHPEMRHVDCQSVWDAFKGAFI
SKHPCDITEEDYQPLMKLGTQTVPCNKILLWSRIKDLAHQFTQVQRDMFT
LEDTLLGYLADDLTWCGEFDTSKINYQSCPDWRKDCSNNPVSVFWKTVSR
RFAEAACDVVHVMLDGSRSKIFDKDSTFGSVEVHNLQPEKVQTLEAWVIH
GGREDSRDLCQDPTIKELESIISKRNIQFSCKNIYRPDKFLQCVKNPEDS
SC
3D structure
PDB2i66 Structural basis for the mechanistic understanding of human CD38-controlled multiple catalysis.
ChainB
Resolution1.7 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 E226
Catalytic site (residue number reindexed from 1) E102 T177 E182
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 G1R B W125 R127 E146 D155 W189 R212 T221 W81 R83 E102 D111 W145 R168 T177
BS02 G2R B L124 W125 R127 L145 W176 S186 D217 D219 S220 T221 F222 E226 L80 W81 R83 L101 W132 S142 D173 D175 S176 T177 F178 E182
Gene Ontology
Molecular Function
GO:0061809 NAD+ nucleotidase, cyclic ADP-ribose generating

View graph for
Molecular Function
External links
PDB RCSB:2i66, PDBe:2i66, PDBj:2i66
PDBsum2i66
PubMed16951430
UniProtP28907|CD38_HUMAN ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase 1 (Gene Name=CD38)

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