PDB: 1b4b Compound: arginine repressor Classification: REPRESSOR Entry date in PDB: 1999-06-15 Resolution [Å]: 2.20 R-Factor: 0.218

CHAIN: A SWISS-PROT/TREMBL: O31408    KEYWORD: 3D-structure    Arginine biosynthesis    DNA-binding    Repressor    Trans-acting factor    Transcription regulation    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: 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: 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

1b4b_A_103 - HE => SUBCLASS : 4.9.2
1b4b_A_83 - HA => SUBCLASS : 2.3.1
1b4b_A_118 - HA => SUBCLASS : 3.18.1
1b4b_A_93 - EH => SUBCLASS : 1.4.2
1b4b_A_127 - EH => SUBCLASS : 2.1.1

Loops in ArchDB95 clusters

1b4b_A_93 - EH => SUBCLASS : 1.4.3
1b4b_A_127 - EH => SUBCLASS : 2.1.1
1b4b_A_103 - HE => SUBCLASS : 4.7.1
1b4b_A_103 - HE => SUBCLASS : 4.7.2
1b4b_A_83 - HA => SUBCLASS : 2.3.1
1b4b_A_118 - HA => SUBCLASS : 3.21.1

Loops not clustered in ArchDB

1b4b_A_80 - HE

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: 63
1f9n B - percentage of sequence identity: 63
1f9n C - percentage of sequence identity: 63
1f9n D - percentage of sequence identity: 63
1f9n E - percentage of sequence identity: 63
1f9n F - percentage of sequence identity: 63