PDB: 1p4a Compound: pur operon repressor Classification: TRANSCRIPTION Entry date in PDB: 2003-12-09 Resolution [Å]: 2.22 R-Factor: 0.180

CHAIN: A SWISS-PROT/TREMBL: P37551    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.4.5.40 All alpha proteins    DNA/RNA-binding 3-helical bundle    "Winged helix" DNA-binding domain    N-terminal domain of Bacillus PurR    N-terminal domain of Bacillus PurR    Bacillus subtilis SCOP: c.61.1.1 Alpha and beta proteins (a/b)    PRTase-like    PRTase-like    Phosphoribosyltransferases (PRTases)    Pur operon repressor (PurR), C-terminal domain    Bacillus subtilis GO:  DNA binding    transcriptional repressor activity    negative regulation of purine base metabolism    negative regulation of transcription    nucleoside metabolism    CHAIN: B SWISS-PROT/TREMBL: P37551    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.4.5.40 All alpha proteins    DNA/RNA-binding 3-helical bundle    "Winged helix" DNA-binding domain    N-terminal domain of Bacillus PurR    N-terminal domain of Bacillus PurR    Bacillus subtilis SCOP: c.61.1.1 Alpha and beta proteins (a/b)    PRTase-like    PRTase-like    Phosphoribosyltransferases (PRTases)    Pur operon repressor (PurR), C-terminal domain    Bacillus subtilis GO:  DNA binding    transcriptional repressor activity    negative regulation of purine base metabolism    negative regulation of transcription    nucleoside metabolism    CHAIN: C SWISS-PROT/TREMBL: P37551    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.4.5.40 All alpha proteins    DNA/RNA-binding 3-helical bundle    "Winged helix" DNA-binding domain    N-terminal domain of Bacillus PurR    N-terminal domain of Bacillus PurR    Bacillus subtilis SCOP: c.61.1.1 Alpha and beta proteins (a/b)    PRTase-like    PRTase-like    Phosphoribosyltransferases (PRTases)    Pur operon repressor (PurR), C-terminal domain    Bacillus subtilis GO:  DNA binding    transcriptional repressor activity    negative regulation of purine base metabolism    negative regulation of transcription    nucleoside metabolism    CHAIN: D SWISS-PROT/TREMBL: P37551    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.4.5.40 All alpha proteins    DNA/RNA-binding 3-helical bundle    "Winged helix" DNA-binding domain    N-terminal domain of Bacillus PurR    N-terminal domain of Bacillus PurR    Bacillus subtilis SCOP: c.61.1.1 Alpha and beta proteins (a/b)    PRTase-like    PRTase-like    Phosphoribosyltransferases (PRTases)    Pur operon repressor (PurR), C-terminal domain    Bacillus subtilis GO:  DNA binding    transcriptional repressor activity    negative regulation of purine base metabolism    negative regulation of transcription    nucleoside metabolism

Image Source: PDB

1o57 A - percentage of sequence identity: 100