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4IBZ

Human p53 core domain with hot spot mutation R273C and second-site suppressor mutation T284R

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 Residues2
DetailsBINDING SITE FOR RESIDUE EDO A 302
ChainResidue
ATHR170
AVAL172

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO A 303
ChainResidue
AILE254
ATHR256
AHOH433
AHOH439
AARG158
AALA159
AMET160

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO A 304
ChainResidue
AASP186
AARG196
AVAL197
AGLU198
AASN235
AMET237

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE EDO A 305
ChainResidue
ATHR102
AHOH555

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 301
ChainResidue
BCYS176
BHIS179
BCYS238
BCYS242

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO B 302
ChainResidue
BSER260
BSER261
BHOH529
DALA119
DLYS120
DHOH435

site_idAC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO B 303
ChainResidue
BASP207
BHOH470
BHOH506
DLEU114
DHIS115

site_idAC9
Number of Residues8
DetailsBINDING SITE FOR RESIDUE EDO B 304
ChainResidue
BPRO190
BPRO191
BGLN192
BHIS193
BASP207
BHIS214
BHOH456
DHIS115

site_idBC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO B 305
ChainResidue
BPHE113
BHIS115
BGLN144
BHOH541
DEDO302
DEDO306

site_idBC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE EDO B 306
ChainResidue
BMET160
BLEU206
BASP208
BTHR211
BARG213
BHIS214
BSER215
BHOH503
BHOH562

site_idBC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ACT B 307
ChainResidue
BARG110
BHOH505
DEDO302
DEDO307

site_idBC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN C 301
ChainResidue
CCYS176
CHIS179
CCYS238
CCYS242

site_idBC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO C 302
ChainResidue
CPRO98
CARG158
CMET160
CILE254
CTHR256
CHOH437

site_idBC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO C 303
ChainResidue
ALEU114
AHIS115
ASER116
CASP207
CARG209
CHOH496

site_idBC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE EDO C 304
ChainResidue
AALA119
CSER261
CGLY262
CHOH467

site_idBC8
Number of Residues2
DetailsBINDING SITE FOR RESIDUE EDO C 305
ChainResidue
CARG209
CASN210

site_idBC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN D 301
ChainResidue
DCYS176
DHIS179
DCYS238
DCYS242

site_idCC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO D 302
ChainResidue
BHIS115
BTRP146
BEDO305
BACT307
DPRO191
DGLN192
DEDO307

site_idCC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO D 303
ChainResidue
DTHR125
DTYR126
DHOH434
DHOH527
DLEU114
DSER116
DCYS124

site_idCC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE EDO D 304
ChainResidue
DSER240
DARG248
DCYS273

site_idCC4
Number of Residues9
DetailsBINDING SITE FOR RESIDUE EDO D 305
ChainResidue
DMET160
DLEU206
DASP208
DTHR211
DARG213
DHIS214
DSER215
DHOH442
DHOH520

site_idCC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE EDO D 306
ChainResidue
BLEU114
BHIS115
BEDO305
DASP207
DHOH432

site_idCC6
Number of Residues7
DetailsBINDING SITE FOR RESIDUE EDO D 307
ChainResidue
BTRP146
BACT307
DGLU180
DPRO191
DEDO302
DHOH526
DHOH541

site_idCC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ACT D 308
ChainResidue
DGLY187
DHOH450
DHOH482

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 Residues246
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 Residues7
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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