Macromolecule Annotations for the Entities in PDB 1B3Q

Protein Family Annotation Pfam Database Homepage

Chains Pfam Accession Pfam Identifier Pfam Description Type Source
A PF02895 H-kinase_dim Signal transducing histidine kinase, homodimeric domain Domain This helical bundle domain is the homodimer interface of the signal transducing histidine kinase family. PFAM PF02895
A PF01584 CheW CheW-like domain Domain CheW proteins are part of the chemotaxis signaling mechanism in bacteria. CheW interacts with the methyl accepting chemotaxis proteins (MCPs) and relays signals to CheY, which affects flageller rotation. This family includes CheW and other related proteins that are involved in chemotaxis. The CheW-like regulatory domain in CheA [1] binds to CheW, suggesting that these domains can interact with each other. PFAM PF01584
A PF02518 HATPase_c Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase Domain This family represents the structurally related ATPase domains of histidine kinase, DNA gyrase B and HSP90. PFAM PF02518

Protein Modification Annotation

Type PDB Residue Nr. Description