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4IBS

Human p53 core domain with hot spot mutation R273H (form I)

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
B0000976molecular_functiontranscription cis-regulatory region binding
B0003677molecular_functionDNA binding
B0003700molecular_functionDNA-binding transcription factor activity
B0005634cellular_componentnucleus
B0006355biological_processregulation of DNA-templated transcription
B0006915biological_processapoptotic process
C0000976molecular_functiontranscription cis-regulatory region binding
C0003677molecular_functionDNA binding
C0003700molecular_functionDNA-binding transcription factor activity
C0005634cellular_componentnucleus
C0006355biological_processregulation of DNA-templated transcription
C0006915biological_processapoptotic process
D0000976molecular_functiontranscription cis-regulatory region binding
D0003677molecular_functionDNA binding
D0003700molecular_functionDNA-binding transcription factor activity
D0005634cellular_componentnucleus
D0006355biological_processregulation of DNA-templated transcription
D0006915biological_processapoptotic process
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 301
ChainResidue
ACYS176
AHIS179
ACYS238
ACYS242

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 301
ChainResidue
BCYS176
BHIS179
BCYS238
BCYS242

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN C 301
ChainResidue
CHIS179
CCYS238
CCYS242
CCYS176

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN D 301
ChainResidue
DCYS176
DHIS179
DCYS238
DCYS242

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE EDO D 302
ChainResidue
DTHR102
DASN131
DASN268
DSER269

Functional Information from PROSITE/UniProt
site_idPS00348
Number of Residues13
DetailsP53 p53 family signature. MCNSSCMGGMNRR
ChainResidueDetails
AMET237-ARG249

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues492
DetailsRegion: {"description":"Required for interaction with FBXO42","evidences":[{"source":"PubMed","id":"19509332","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues28
DetailsRegion: {"description":"Interaction with the 53BP2 SH3 domain"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues28
DetailsRegion: {"description":"Interaction with DNA"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues16
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"14534297","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16793544","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17015838","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18650397","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19515728","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20142040","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20364130","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsSite: {"description":"Interaction with DNA","evidences":[{"source":"PubMed","id":"16793544","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18996393","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20364130","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues8
DetailsModified residue: {"description":"N6-lactoyllysine","evidences":[{"source":"PubMed","id":"38653238","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues8
DetailsModified residue: {"description":"Phosphoserine; by AURKB","evidences":[{"source":"PubMed","id":"20959462","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues4
DetailsModified residue: {"description":"Phosphothreonine; by AURKB","evidences":[{"source":"PubMed","id":"20959462","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239149

PDB entries from 2025-07-23

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