PDB: 1trr Compound: Trp repressorOPERATOR HALF-SITE TANDEM COMPLEX Classification: DNA-BINDING REGULATORY PROTEIN Entry date in PDB: 1994-04-30 Resolution [Å]: 2.40 R-Factor: 0.241

CHAIN: A SWISS-PROT/TREMBL: P03032    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.4.12.1 All alpha proteins    DNA/RNA-binding 3-helical bundle    TrpR-like    Trp repressor, TrpR    Trp repressor, TrpR    Escherichia coli GO:   CHAIN: B SWISS-PROT/TREMBL: P03032    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.4.12.1 All alpha proteins    DNA/RNA-binding 3-helical bundle    TrpR-like    Trp repressor, TrpR    Trp repressor, TrpR    Escherichia coli GO:   CHAIN: D SWISS-PROT/TREMBL: P03032    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.4.12.1 All alpha proteins    DNA/RNA-binding 3-helical bundle    TrpR-like    Trp repressor, TrpR    Trp repressor, TrpR    Escherichia coli GO:   CHAIN: E SWISS-PROT/TREMBL: P03032    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.4.12.1 All alpha proteins    DNA/RNA-binding 3-helical bundle    TrpR-like    Trp repressor, TrpR    Trp repressor, TrpR    Escherichia coli GO:   CHAIN: G SWISS-PROT/TREMBL: P03032    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.4.12.1 All alpha proteins    DNA/RNA-binding 3-helical bundle    TrpR-like    Trp repressor, TrpR    Trp repressor, TrpR    Escherichia coli GO:   CHAIN: H SWISS-PROT/TREMBL: P03032    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.4.12.1 All alpha proteins    DNA/RNA-binding 3-helical bundle    TrpR-like    Trp repressor, TrpR    Trp repressor, TrpR    Escherichia coli GO:   CHAIN: J SWISS-PROT/TREMBL: P03032    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.4.12.1 All alpha proteins    DNA/RNA-binding 3-helical bundle    TrpR-like    Trp repressor, TrpR    Trp repressor, TrpR    Escherichia coli GO:   CHAIN: K SWISS-PROT/TREMBL: P03032    KEYWORD: 3D-structure    Complete proteome    DNA-binding    Repressor    Transcription regulation    SCOP: a.4.12.1 All alpha proteins    DNA/RNA-binding 3-helical bundle    TrpR-like    Trp repressor, TrpR    Trp repressor, TrpR    Escherichia coli GO:

Image Source: PDB

Loops in ArchDB95 clusters

1trr_A_14 - HH => SUBCLASS : 1.3.3
1trr_A_68 - HH => SUBCLASS : 3.1.1

Loops not clustered in ArchDB

1trr_A_35 - HH
1trr_A_45 - HH
1trr_A_79 - HH

1co0 A - percentage of sequence identity: 99
1co0 B - percentage of sequence identity: 99
1jhg A - percentage of sequence identity: 98
1mi7 R - percentage of sequence identity: 99
1p6z N - percentage of sequence identity: 99
1p6z R - percentage of sequence identity: 99
1rcs A - percentage of sequence identity: 99
1rcs B - percentage of sequence identity: 99
1tro A - percentage of sequence identity: 98
1tro C - percentage of sequence identity: 98
1tro E - percentage of sequence identity: 98
1tro G - percentage of sequence identity: 98
1trr A - percentage of sequence identity: 100
1trr B - percentage of sequence identity: 100
1trr D - percentage of sequence identity: 100
1trr E - percentage of sequence identity: 100
1trr G - percentage of sequence identity: 100
1trr H - percentage of sequence identity: 100
1trr J - percentage of sequence identity: 100
1trr K - percentage of sequence identity: 100
1wrp R - percentage of sequence identity: 99
1wrs R - percentage of sequence identity: 99
1wrs S - percentage of sequence identity: 99
1wrt R - percentage of sequence identity: 99
1wrt S - percentage of sequence identity: 99
2wrp R - percentage of sequence identity: 99
3wrp - - percentage of sequence identity: 99