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3ZTV

Structure of Haemophilus influenzae NAD nucleotidase (NadN)

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0008253molecular_function5'-nucleotidase activity
A0009166biological_processnucleotide catabolic process
A0016787molecular_functionhydrolase activity
A0016788molecular_functionhydrolase activity, acting on ester bonds
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE ZN A 1598
ChainResidue
AASP44
AASP94
AASN126
AHIS227
AASP250
AZN1599
AHOH2012

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN A 1599
ChainResidue
AASP94
AHIS252
AZN1598
AHOH2012
AASP44
AHIS46

site_idAC3
Number of Residues11
DetailsBINDING SITE FOR RESIDUE ADN A 1600
ChainResidue
AASN432
AGLY434
AGLY435
APHE456
AASN458
ASER486
AGLY488
ATYR540
AASP546
AHOH2626
AHOH2627

site_idAC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL A 1601
ChainResidue
AHIS52
ATHR54
AILE67
ATRP289
AALA290
ATYR291
AALA293
AHOH2041

Functional Information from PROSITE/UniProt
site_idPS00785
Number of Residues13
Details5_NUCLEOTIDASE_1 5'-nucleotidase signature 1. LsILHInDhHSyL
ChainResidueDetails
ALEU37-LEU49

site_idPS00786
Number of Residues12
Details5_NUCLEOTIDASE_2 5'-nucleotidase signature 2. FhyftLGNHEFD
ChainResidueDetails
APHE119-ASP130

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues8
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsSite: {"description":"Transition state stabilizer"}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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