PDB: 2a0b Compound: hpt domain Classification: SENSORY TRANSDUCTION Entry date in PDB: 1998-06-17 Resolution [Å]: 1.57 R-Factor: 0.190

CHAIN: - SWISS-PROT/TREMBL: P22763    KEYWORD: 3D-structure    Complete proteome    Inner membrane    Kinase    Phosphorylation    Sensory transduction    Transcription regulation    Transferase    Transmembrane    Two-component regulatory system    EC: 2.7.3.- SCOP: a.24.10.1 All alpha proteins    Four-helical up-and-down bundle    Histidine-containing phosphotransfer domain, HPT domain    Aerobic respiration control sensor protein, ArcB    Aerobic respiration control sensor protein, ArcB    Escherichia coli GO:  membrane    membrane    ATP binding    ATP binding    DNA binding    DNA binding    kinase activity    kinase activity    signal transducer activity    signal transducer activity    transferase activity, transferring phosphorus-containing groups    transferase activity, transferring phosphorus-containing groups    two-component response regulator activity    two-component response regulator activity    two-component sensor molecule activity    two-component sensor molecule activity    phosphorylation    phosphorylation    protein amino acid phosphorylation    protein amino acid phosphorylation    regulation of transcription, DNA-dependent    regulation of transcription, DNA-dependent    signal transduction    signal transduction    two-component signal transduction system (phosphorelay)    two-component signal transduction system (phosphorelay)

Image Source: PDB

Loops in ArchDB40 clusters

2a0b_*_707 - HH => SUBCLASS : 2.2.1
2a0b_*_677 - HH => SUBCLASS : 2.2.8
2a0b_*_658 - HH => SUBCLASS : 2.3.4
2a0b_*_658 - HH => SUBCLASS : 2.3.6

Loops in ArchDB95 clusters

2a0b_*_707 - HH => SUBCLASS : 2.2.1
2a0b_*_677 - HH => SUBCLASS : 2.2.5
2a0b_*_658 - HH => SUBCLASS : 2.3.5

Loops in ArchDB-EC clusters

2a0b_*_658 - HH => SUBCLASS : 2.3.11

Loops not clustered in ArchDB

2a0b_*_665 - HH
2a0b_*_727 - HH

1a0b - - percentage of sequence identity: 100
1bdj B - percentage of sequence identity: 100
1fr0 A - percentage of sequence identity: 100