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3DZK

Crystal structure of human CD38 extracellular domain, NMN complex

Functional Information from GO Data
ChainGOidnamespacecontents
A0061809molecular_functionNAD+ nucleosidase activity, cyclic ADP-ribose generating
B0061809molecular_functionNAD+ nucleosidase activity, cyclic ADP-ribose generating
Functional Information from PDB Data
site_idAC1
Number of Residues17
DetailsBINDING SITE FOR RESIDUE NMN A 301
ChainResidue
ALEU124
ASER220
ATHR221
APHE222
AGLU226
AHOH303
AHOH344
AHOH392
AHOH423
ATRP125
ASER126
AARG127
ALEU145
AGLU146
AASP155
ATRP189
ASER193

site_idAC2
Number of Residues15
DetailsBINDING SITE FOR RESIDUE NMN B 301
ChainResidue
BLEU124
BTRP125
BSER126
BARG127
BLEU145
BGLU146
BASP155
BTRP189
BSER193
BSER220
BTHR221
BPHE222
BGLU226
BHOH483
BHOH494

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsActive site: {"evidences":[{"source":"PubMed","id":"7961800","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"19159218","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"19159218","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19349973","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1r16
ChainResidueDetails
AGLU226
AGLU146

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1r16
ChainResidueDetails
BGLU226
BGLU146

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PDB entries from 2026-01-14

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