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3QSV

Structural basis for DNA recognition by constitutive Smad4 MH1 dimers

Functional Information from GO Data
ChainGOidnamespacecontents
A0005667cellular_componenttranscription regulator complex
A0006355biological_processregulation of DNA-templated transcription
B0005667cellular_componenttranscription regulator complex
B0006355biological_processregulation of DNA-templated transcription
C0005667cellular_componenttranscription regulator complex
C0006355biological_processregulation of DNA-templated transcription
D0005667cellular_componenttranscription regulator complex
D0006355biological_processregulation of DNA-templated transcription
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 1
ChainResidue
ACYS71
ACYS115
ACYS127
AHIS132

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 2
ChainResidue
BCYS71
BCYS115
BCYS127
BHIS132

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN C 3
ChainResidue
CCYS115
CCYS127
CHIS132
CCYS71

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN D 4
ChainResidue
DCYS71
DCYS115
DCYS127
DHIS132

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues100
DetailsRegion: {"description":"Required for interaction with TSC22D1","evidences":[{"source":"UniProtKB","id":"Q13485","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues16
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"Q13485","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues8
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)","evidences":[{"source":"UniProtKB","id":"Q13485","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

247947

PDB entries from 2026-01-21

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