Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

4XHU

The complex structure of Timeless_PAB and PARP-1_catalytic domain

Functional Information from GO Data
ChainGOidnamespacecontents
A0003950molecular_functionNAD+ poly-ADP-ribosyltransferase activity
C0003950molecular_functionNAD+ poly-ADP-ribosyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues5
Detailsbinding site for residue GOL C 1101
ChainResidue
CASP770
CHIS862
CSER864
CASN868
CHOH1230

site_idAC2
Number of Residues3
Detailsbinding site for residue GOL C 1102
ChainResidue
CARG841
CGLY843
CGLU844

site_idAC3
Number of Residues4
Detailsbinding site for residue ACT C 1103
ChainResidue
CGLY863
CSER904
CTYR907
CHIS862

site_idAC4
Number of Residues2
Detailsbinding site for residue GOL D 201
ChainResidue
AASP957
DLEU25

site_idAC5
Number of Residues6
Detailsbinding site for residue GOL A 1101
ChainResidue
AASP766
AASP770
AHIS862
ASER864
AASN868
ACA1103

site_idAC6
Number of Residues4
Detailsbinding site for residue ACT A 1102
ChainResidue
AHIS862
AGLY863
ATYR896
ASER904

site_idAC7
Number of Residues3
Detailsbinding site for residue CA A 1103
ChainResidue
AASP766
AGOL1101
AHOH1220

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"For poly [ADP-ribose] polymerase activity","evidences":[{"source":"PubMed","id":"32028527","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"7852410","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"9315851","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"Q9UGN5","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2); alternate","evidences":[{"source":"PubMed","id":"25218447","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"28112733","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

250359

PDB entries from 2026-03-11

PDB statisticsPDBj update infoContact PDBjnumon