PDB: 1b4a Compound: arginine repressor Classification: REPRESSOR Entry date in PDB: 1999-06-15 Resolution [Å]: 2.50 R-Factor: 0.224

CHAIN: A SWISS-PROT/TREMBL: O31408    KEYWORD: 3D-structure    Arginine biosynthesis    DNA-binding    Repressor    Trans-acting factor    Transcription regulation    SCOP: a.4.5.3 All alpha proteins    DNA/RNA-binding 3-helical bundle    "Winged helix" DNA-binding domain    Arginine repressor (ArgR), N-terminal DNA-binding domain    Arginine repressor (ArgR), N-terminal DNA-binding domain    Bacillus stearothermophilus SCOP: d.74.2.1 Alpha and beta proteins (a+b)    DCoH-like    C-terminal domain of arginine repressor    C-terminal domain of arginine repressor    C-terminal domain of arginine repressor    Bacillus stearothermophilus GO:  transcription factor activity    regulation of transcription, DNA-dependent    CHAIN: B SWISS-PROT/TREMBL: O31408    KEYWORD: 3D-structure    Arginine biosynthesis    DNA-binding    Repressor    Trans-acting factor    Transcription regulation    SCOP: a.4.5.3 All alpha proteins    DNA/RNA-binding 3-helical bundle    "Winged helix" DNA-binding domain    Arginine repressor (ArgR), N-terminal DNA-binding domain    Arginine repressor (ArgR), N-terminal DNA-binding domain    Bacillus stearothermophilus SCOP: d.74.2.1 Alpha and beta proteins (a+b)    DCoH-like    C-terminal domain of arginine repressor    C-terminal domain of arginine repressor    C-terminal domain of arginine repressor    Bacillus stearothermophilus GO:  transcription factor activity    regulation of transcription, DNA-dependent    CHAIN: C SWISS-PROT/TREMBL: O31408    KEYWORD: 3D-structure    Arginine biosynthesis    DNA-binding    Repressor    Trans-acting factor    Transcription regulation    SCOP: a.4.5.3 All alpha proteins    DNA/RNA-binding 3-helical bundle    "Winged helix" DNA-binding domain    Arginine repressor (ArgR), N-terminal DNA-binding domain    Arginine repressor (ArgR), N-terminal DNA-binding domain    Bacillus stearothermophilus SCOP: d.74.2.1 Alpha and beta proteins (a+b)    DCoH-like    C-terminal domain of arginine repressor    C-terminal domain of arginine repressor    C-terminal domain of arginine repressor    Bacillus stearothermophilus GO:  transcription factor activity    regulation of transcription, DNA-dependent    CHAIN: D SWISS-PROT/TREMBL: O31408    KEYWORD: 3D-structure    Arginine biosynthesis    DNA-binding    Repressor    Trans-acting factor    Transcription regulation    SCOP: a.4.5.3 All alpha proteins    DNA/RNA-binding 3-helical bundle    "Winged helix" DNA-binding domain    Arginine repressor (ArgR), N-terminal DNA-binding domain    Arginine repressor (ArgR), N-terminal DNA-binding domain    Bacillus stearothermophilus SCOP: d.74.2.1 Alpha and beta proteins (a+b)    DCoH-like    C-terminal domain of arginine repressor    C-terminal domain of arginine repressor    C-terminal domain of arginine repressor    Bacillus stearothermophilus GO:  transcription factor activity    regulation of transcription, DNA-dependent    CHAIN: E SWISS-PROT/TREMBL: O31408    KEYWORD: 3D-structure    Arginine biosynthesis    DNA-binding    Repressor    Trans-acting factor    Transcription regulation    SCOP: a.4.5.3 All alpha proteins    DNA/RNA-binding 3-helical bundle    "Winged helix" DNA-binding domain    Arginine repressor (ArgR), N-terminal DNA-binding domain    Arginine repressor (ArgR), N-terminal DNA-binding domain    Bacillus stearothermophilus SCOP: d.74.2.1 Alpha and beta proteins (a+b)    DCoH-like    C-terminal domain of arginine repressor    C-terminal domain of arginine repressor    C-terminal domain of arginine repressor    Bacillus stearothermophilus GO:  transcription factor activity    regulation of transcription, DNA-dependent    CHAIN: F SWISS-PROT/TREMBL: O31408    KEYWORD: 3D-structure    Arginine biosynthesis    DNA-binding    Repressor    Trans-acting factor    Transcription regulation    SCOP: a.4.5.3 All alpha proteins    DNA/RNA-binding 3-helical bundle    "Winged helix" DNA-binding domain    Arginine repressor (ArgR), N-terminal DNA-binding domain    Arginine repressor (ArgR), N-terminal DNA-binding domain    Bacillus stearothermophilus SCOP: d.74.2.1 Alpha and beta proteins (a+b)    DCoH-like    C-terminal domain of arginine repressor    C-terminal domain of arginine repressor    C-terminal domain of arginine repressor    Bacillus stearothermophilus GO:  transcription factor activity    regulation of transcription, DNA-dependent

Image Source: PDB

Loops in ArchDB40 clusters

1b4a_A_38 - HE => SUBCLASS : 2.1.4
1b4a_A_103 - HE => SUBCLASS : 4.9.2
1b4a_A_51 - HA => SUBCLASS : 3.1.1
1b4a_A_22 - HH => SUBCLASS : 5.1.1
1b4a_A_22 - HH => SUBCLASS : 5.7.1

Loops in ArchDB95 clusters

1b4a_A_22 - HH => SUBCLASS : 5.1.1
1b4a_A_38 - HE => SUBCLASS : 2.1.6
1b4a_A_103 - HE => SUBCLASS : 4.7.1
1b4a_A_103 - HE => SUBCLASS : 4.7.2
1b4a_A_51 - HA => SUBCLASS : 3.1.1

Loops not clustered in ArchDB

1b4a_A_60 - EH
1b4a_A_93 - EH
1b4a_A_127 - EH
1b4a_A_83 - HA
1b4a_A_118 - HA
1b4a_A_72 - HE
1b4a_A_5 - HH

1b4a A - percentage of sequence identity: 100
1b4a B - percentage of sequence identity: 100
1b4a C - percentage of sequence identity: 100
1b4a D - percentage of sequence identity: 100
1b4a E - percentage of sequence identity: 100
1b4a F - percentage of sequence identity: 100
1b4b A - percentage of sequence identity: 100
1b4b B - percentage of sequence identity: 100
1b4b C - percentage of sequence identity: 100
1f9n A - percentage of sequence identity: 71
1f9n B - percentage of sequence identity: 71
1f9n C - percentage of sequence identity: 71
1f9n D - percentage of sequence identity: 71
1f9n E - percentage of sequence identity: 71
1f9n F - percentage of sequence identity: 71