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3EXL

Crystal Structure of a p53 Core Tetramer Bound to DNA

Functional Information from GO Data
ChainGOidnamespacecontents
A0000976molecular_functiontranscription cis-regulatory region binding
A0003677molecular_functionDNA binding
A0003700molecular_functionDNA-binding transcription factor activity
A0005634cellular_componentnucleus
A0006355biological_processregulation of DNA-templated transcription
A0006915biological_processapoptotic process
Functional Information from PDB Data
site_idAC1
Number of Residues11
DetailsBINDING SITE FOR RESIDUE FLC A 585
ChainResidue
ALEU111
AHOH354
AHOH357
ATHR115
ALYS117
APRO139
ALYS162
ASER163
AHIS230
AHOH333
AHOH353

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 1
ChainResidue
ACYS173
AHIS176
ACYS235
ACYS239

Functional Information from PROSITE/UniProt
site_idPS00348
Number of Residues13
DetailsP53 p53 family signature. MCNSSCMGGMNRR
ChainResidueDetails
AMET234-ARG246

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues190
DetailsDNA binding: {"evidences":[{"source":"UniProtKB","id":"P04637","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues123
DetailsRegion: {"description":"Required for interaction with FBXO42","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues176
DetailsRegion: {"description":"Interaction with AXIN1","evidences":[{"source":"PubMed","id":"15526030","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues7
DetailsRegion: {"description":"Interaction with DNA"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"16717092","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsSite: {"description":"Interaction with DNA","evidences":[{"source":"PubMed","id":"16717092","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"N6-lactoyllysine","evidences":[{"source":"UniProtKB","id":"P04637","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine; by AURKB","evidences":[{"source":"UniProtKB","id":"P04637","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine; by AURKB","evidences":[{"source":"UniProtKB","id":"P04637","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues3
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"UniProtKB","id":"P04637","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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