PDB: 1smt Compound: transcriptional repressor smtb Classification: METALLOREGULATION Entry date in PDB: 1997-12-03 Resolution [Å]: 2.20 R-Factor: 0.217

CHAIN: A SWISS-PROT/TREMBL: P30340    KEYWORD: 3D-structure    DNA-binding    Repressor    Transcription regulation    SCOP: a.4.5.5 All alpha proteins    DNA/RNA-binding 3-helical bundle    "Winged helix" DNA-binding domain    ArsR-like transcriptional regulators    SmtB repressor    Cyanobacteria (Synechococcus), pcc7942 GO:  intracellular    transcription factor activity    regulation of transcription, DNA-dependent    CHAIN: B SWISS-PROT/TREMBL: P30340    KEYWORD: 3D-structure    DNA-binding    Repressor    Transcription regulation    SCOP: a.4.5.5 All alpha proteins    DNA/RNA-binding 3-helical bundle    "Winged helix" DNA-binding domain    ArsR-like transcriptional regulators    SmtB repressor    Cyanobacteria (Synechococcus), pcc7942 GO:  intracellular    transcription factor activity    regulation of transcription, DNA-dependent

Image Source: PDB

Loops in ArchDB40 clusters

1smt_A_73 - HE => SUBCLASS : 2.4.1
1smt_A_89 - HA => SUBCLASS : 2.3.1
1smt_A_98 - EH => SUBCLASS : 2.1.24
1smt_A_62 - HH => SUBCLASS : 3.1.1
1smt_A_46 - HH => SUBCLASS : 4.10.1
1smt_A_46 - HH => SUBCLASS : 4.10.2

Loops in ArchDB95 clusters

1smt_A_98 - EH => SUBCLASS : 2.1.34
1smt_A_30 - HH => SUBCLASS : 2.4.7
1smt_A_62 - HH => SUBCLASS : 3.1.1
1smt_A_46 - HH => SUBCLASS : 4.11.1
1smt_A_46 - HH => SUBCLASS : 4.11.2
1smt_A_73 - HE => SUBCLASS : 2.4.1
1smt_A_89 - HA => SUBCLASS : 2.3.1

1r1t A - percentage of sequence identity: 100
1r1t B - percentage of sequence identity: 100
1r22 A - percentage of sequence identity: 97
1r22 B - percentage of sequence identity: 97
1r23 A - percentage of sequence identity: 100
1r23 B - percentage of sequence identity: 100
1smt A - percentage of sequence identity: 100
1smt B - percentage of sequence identity: 100