1AE9

STRUCTURE OF THE LAMBDA INTEGRASE CATALYTIC CORE


ChainDomainClassArchitectureTopologyHomology
A1.10.443.10 Mainly Alpha Orthogonal Bundle hpI Integrase Chain A
B1.10.443.10 Mainly Alpha Orthogonal Bundle hpI Integrase Chain A

Protein Family Annotation Pfam Database Homepage

ChainsAccessionIdentifierDescriptionCommentsSource
A, BPF09003Bacteriophage lambda integrase, Arm DNA-binding domain (Arm-DNA-bind_1)Bacteriophage lambda integrase, Arm DNA-binding domainThe amino terminal domain of bacteriophage lambda integrase folds into a three-stranded, antiparallel beta-sheet that packs against a C-terminal alpha-helix, adopting a fold that is structurally related to the three-stranded beta-sheet family of DNA- ...The amino terminal domain of bacteriophage lambda integrase folds into a three-stranded, antiparallel beta-sheet that packs against a C-terminal alpha-helix, adopting a fold that is structurally related to the three-stranded beta-sheet family of DNA-binding domains (which includes the GCC-box DNA-binding domain and the N-terminal domain of Tn916 integrase). This domain is responsible for high-affinity binding to each of the five DNA arm-type sites and is also a context-sensitive modulator of DNA cleavage [1].
Domain
A, BPF00589Phage integrase family (Phage_integrase)Phage integrase family- Family
A, BPF02899Phage integrase, N-terminal SAM-like domain (Phage_int_SAM_1)Phage integrase, N-terminal SAM-like domain- Domain