7TRA | pdb_00007tra

Cascade complex from type I-A CRISPR-Cas system

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
R [auth M]	SCOP2B Superfamily	CRISPR-associated proteins	8052193	3001554	SCOP2B (2022-06-29)
Q [auth L]	SCOP2B Superfamily	CRISPR-associated proteins	8052193	3001554	SCOP2B (2022-06-29)
H [auth K]	SCOP2B Superfamily	CRISPR-associated proteins	8052193	3001554	SCOP2B (2022-06-29)
G [auth J]	SCOP2B Superfamily	CRISPR-associated proteins	8052193	3001554	SCOP2B (2022-06-29)
F [auth I]	SCOP2B Superfamily	CRISPR-associated proteins	8052193	3001554	SCOP2B (2022-06-29)
E [auth H]	SCOP2B Superfamily	CRISPR-associated proteins	8052193	3001554	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
J [auth Q]	cas3_yersinia_1st	e7traQ1	A: alpha complex topology	X: PDEase-like	H: HD-domain/PDEase-like (From Topology)	T: HD-domain/PDEase-like	F: cas3_yersinia_1st	ECOD (1.6)
S [auth N]	DevR	e7traN1	A: a+b two layers	X: Alpha-beta plaits	H: Cas7-related	T: CRISPR-associated protein Cas7/Csa2-related	F: DevR	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
J [auth Q]	PF18019	Cas3, HD domain (Cas3_HD)	Cas3, HD domain	This HD domain is found at the N-terminus of Cas3 enzymes fused to a helicase domain. This domain is sometimes found as a separate protein. It acts as a nuclease that cleaves ssDNA.	Domain
E [auth H], F [auth I], G [auth J], H [auth K], Q [auth L], E [auth H], F [auth I], G [auth J], H [auth K], Q [auth L], R [auth M], S [auth N]	PF01905	CRISPR-associated negative auto-regulator DevR/Csa2 (DevR)	CRISPR-associated negative auto-regulator DevR/Csa2	-	Family
B	PF09703	CRISPR-associated protein (Cas_Csa4) (Cas_Csa4)	CRISPR-associated protein (Cas_Csa4)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
M [auth T]	Non-Target strand DNA (25-MER)	-	-	-
L [auth S]	Target strand DNA (44-MER)	-	-	-
K [auth R]	crRNA (44-MER)	-	-	-
J [auth Q]	CRISPR-associated endonuclease Cas3-HD	hydrolase activity, acting on ester bonds nuclease activity catalytic activity, acting on a nucleic acid hydrolase activity exonuclease activity catalytic activity endonuclease activity cation binding ion binding binding metal ion binding small molecule binding	biological process involved in interspecies interaction between organisms defense response to virus response to stimulus defense response response to other organism response to stress response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus	-
I [auth O]	Cas5a	-	biological process involved in interspecies interaction between organisms defense response to virus response to stimulus defense response response to other organism response to stress response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus	-
E [auth H], F [auth I], G [auth J], H [auth K], Q [auth L], E [auth H], F [auth I], G [auth J], H [auth K], Q [auth L], R [auth M], S [auth N]	Cas7a	-	biological process involved in interspecies interaction between organisms defense response to virus response to stimulus defense response response to other organism response to stress response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus	-
C, D, N [auth E], O [auth F], P [auth G]	Cas11a	-	-	-
B	Cas8a	-	-	-
A	CRISPR-associated helicase Cas3	catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid catalytic activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid catalytic activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding nucleic acid binding hydrolase activity nucleic acid conformation isomerase activity isomerase activity catalytic activity, acting on RNA helicase activity RNA helicase activity ATP-dependent activity, acting on RNA macromolecular conformation isomerase activity ATP-dependent activity	biological process involved in interspecies interaction between organisms defense response to virus response to stimulus defense response response to other organism response to stress response to external stimulus response to external biotic stimulus response to virus response to biotic stimulus	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
J [auth Q]	IPR038257	CRISPR-associated Cas3-type HD domain superfamily	Homologous Superfamily
J [auth Q]	IPR006483	CRISPR-associated Cas3-type, HD domain	Domain
I [auth O]	IPR053725	CRISPR-associated Cas5	Homologous Superfamily
I [auth O]	IPR010153	CRISPR-associated protein, Cas5a type	Family
I [auth O]	IPR013422	CRISPR-associated protein Cas5, N-terminal	Domain
E [auth H], F [auth I], G [auth J], H [auth K], Q [auth L], E [auth H], F [auth I], G [auth J], H [auth K], Q [auth L], R [auth M], S [auth N]	IPR002764	CRISPR-associated protein Cas7/Cst2/DevR, subtype I-a/Apern	Family
E [auth H], F [auth I], G [auth J], H [auth K], Q [auth L], E [auth H], F [auth I], G [auth J], H [auth K], Q [auth L], R [auth M], S [auth N]	IPR052681	CRISPR-associated Cas7/Cst2/DevR	Family
E [auth H], F [auth I], G [auth J], H [auth K], Q [auth L], E [auth H], F [auth I], G [auth J], H [auth K], Q [auth L], R [auth M], S [auth N]	IPR010154	CRISPR-associated protein Cas7/Cst2/DevR	Family
B	IPR010184	CRISPR-associated protein, MJ0385	Family
A	IPR001650	Helicase, C-terminal domain-like	Domain
A	IPR050079	DEAD box RNA helicase	Family
A	IPR014001	Helicase superfamily 1/2, ATP-binding domain	Domain
A	IPR054712	CRISPR-associated nuclease/helicase Cas3 domain	Domain
A	IPR006474	Helicase Cas3, CRISPR-associated, core	Domain
A	IPR011545	DEAD/DEAH-box helicase domain	Domain
A	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.