6O7E

Cryo-EM structure of Csm-crRNA-target RNA ternary complex in complex with AMPPNP in type III-A CRISPR-Cas system


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
BSCOP2B SuperfamilyType III-A Csm2-like 8089564 3002163 SCOP2B (2022-06-29)
CSCOP2B SuperfamilyCRISPR-associated proteins 8085899 3001554 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyCRISPR-associated proteins 8085899 3001554 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AEUF08083e6o7eA5 A: alpha bundlesX: CRISPR RNA silencing complex Cmr2 subunit second helical domain (From Topology)H: CRISPR RNA silencing complex Cmr2 subunit second helical domain (From Topology)T: CRISPR RNA silencing complex Cmr2 subunit second helical domainF: EUF08083ECOD (1.6)
AUNK_F_TYPEe6o7eA1 A: alpha complex topologyX: PDEase-likeH: HD-domain/PDEase-like (From Topology)T: HD-domain/PDEase-likeF: UNK_F_TYPEECOD (1.6)
ACas10_III_2nde6o7eA3 A: a+b two layersX: Alpha-beta plaitsH: Adenylyl and guanylyl cyclase catalytic domain-likeT: Adenylyl and guanylyl cyclase catalytic domain-likeF: Cas10_III_2ndECOD (1.6)
ACas10_III_1ste6o7eA4 A: a+b two layersX: Alpha-beta plaitsH: Adenylyl and guanylyl cyclase catalytic domain-likeT: Adenylyl and guanylyl cyclase catalytic domain-likeF: Cas10_III_1stECOD (1.6)
AEUF08476e6o7eA2 A: a+b two layersX: Csm1 ferredoxin-like domain (From Topology)H: Csm1 ferredoxin-like domain (From Topology)T: Csm1 ferredoxin-like domainF: EUF08476ECOD (1.6)
BCsm2_III-Ae6o7eB1 A: alpha duplicates or obligate multimersX: Crispr-associated protein Csm2 (From Topology)H: Crispr-associated protein Csm2 (From Topology)T: Crispr-associated protein Csm2F: Csm2_III-AECOD (1.6)
CRAMPse6o7eC1 A: a+b two layersX: Alpha-beta plaitsH: Cas7-relatedT: CRISPR-associated protein Cas7/Csa2-relatedF: RAMPsECOD (1.6)
DRAMPse6o7eD1 A: a+b two layersX: Alpha-beta plaitsH: Cas7-relatedT: CRISPR-associated protein Cas7/Csa2-relatedF: RAMPsECOD (1.6)
EUNK_F_TYPEe6o7eE1 A: a+b two layersX: Alpha-beta plaitsH: CRISPR transcript (pre-crRNA) processing endoribonuclease-related (From Topology)T: CRISPR transcript (pre-crRNA) processing endoribonuclease-relatedF: UNK_F_TYPEECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF22335Cas10/Cmr2, second palm domain (Cas10-Cmr2_palm2)Cas10/Cmr2, second palm domainThis entry represents the second palm domain of Cas10 subunit (named Csm1 in Type III-A and Cmr2 in III-B systems) from type III CRISPR-Cas systems [6]. This domain contains a conserved GGDD motif that is important for DNA polymerase activity [1-5]. ...Domain
PF01966HD domain (HD)HD domain- Family
PF18211Csm1 subunit domain B (Csm1_B)Csm1 subunit domain BThis domain is found in the Csm1 subunit of the Csm complex found in Thermococcus onnurineus. Csm is a type III-A CRISPR-Cas system, which is an RNA-guided immune defense mechanism that detects and destroys foreign DNA or RNA. This domain is known as ...Domain
PF03750Csm2 Type III-A (Csm2_III-A)Csm2 Type III-A- Family
C, D
PF03787RAMP superfamily (RAMPs)RAMP superfamily- Family
H [auth Y]PF03787RAMP superfamily (RAMPs)RAMP superfamily- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Csm1 -
Csm2 -
C, D
Csm3 -
Csm4 -
F [auth G]RNA (38-MER)---
G [auth H]RNA (40-MER)---
H [auth Y]Csm5 -