7Y0D

Cryo-EM structure of the Mycobacterium smegmatis DNA integrity scanning protein (MsDisA).


Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APF12826e7y0dA3 A: alpha arraysX: HhH/H2THH: SAM/DNA-glycosylaseT: SAM domain-likeF: PF12826ECOD (1.6)
APF10635e7y0dA1 A: alpha bundlesX: DisA helical linker domain (From Topology)H: DisA helical linker domain (From Topology)T: DisA helical linker domainF: PF10635ECOD (1.6)
APF02457e7y0dA2 A: a+b three layersX: DisA nucleotide-binding domain (From Topology)H: DisA nucleotide-binding domain (From Topology)T: DisA nucleotide-binding domainF: PF02457ECOD (1.6)
CPF12826e7y0dC2 A: alpha arraysX: HhH/H2THH: SAM/DNA-glycosylaseT: SAM domain-likeF: PF12826ECOD (1.6)
CPF10635e7y0dC1 A: alpha bundlesX: DisA helical linker domain (From Topology)H: DisA helical linker domain (From Topology)T: DisA helical linker domainF: PF10635ECOD (1.6)
CPF02457e7y0dC3 A: a+b three layersX: DisA nucleotide-binding domain (From Topology)H: DisA nucleotide-binding domain (From Topology)T: DisA nucleotide-binding domainF: PF02457ECOD (1.6)
DPF12826e7y0dD3 A: alpha arraysX: HhH/H2THH: SAM/DNA-glycosylaseT: SAM domain-likeF: PF12826ECOD (1.6)
DPF10635e7y0dD2 A: alpha bundlesX: DisA helical linker domain (From Topology)H: DisA helical linker domain (From Topology)T: DisA helical linker domainF: PF10635ECOD (1.6)
DPF02457e7y0dD1 A: a+b three layersX: DisA nucleotide-binding domain (From Topology)H: DisA nucleotide-binding domain (From Topology)T: DisA nucleotide-binding domainF: PF02457ECOD (1.6)
FPF12826e7y0dF3 A: alpha arraysX: HhH/H2THH: SAM/DNA-glycosylaseT: SAM domain-likeF: PF12826ECOD (1.6)
FPF10635e7y0dF2 A: alpha bundlesX: DisA helical linker domain (From Topology)H: DisA helical linker domain (From Topology)T: DisA helical linker domainF: PF10635ECOD (1.6)
FPF02457e7y0dF1 A: a+b three layersX: DisA nucleotide-binding domain (From Topology)H: DisA nucleotide-binding domain (From Topology)T: DisA nucleotide-binding domainF: PF02457ECOD (1.6)
GPF12826e7y0dG3 A: alpha arraysX: HhH/H2THH: SAM/DNA-glycosylaseT: SAM domain-likeF: PF12826ECOD (1.6)
GPF10635e7y0dG2 A: alpha bundlesX: DisA helical linker domain (From Topology)H: DisA helical linker domain (From Topology)T: DisA helical linker domainF: PF10635ECOD (1.6)
GPF02457e7y0dG1 A: a+b three layersX: DisA nucleotide-binding domain (From Topology)H: DisA nucleotide-binding domain (From Topology)T: DisA nucleotide-binding domainF: PF02457ECOD (1.6)
HPF12826e7y0dH1 A: alpha arraysX: HhH/H2THH: SAM/DNA-glycosylaseT: SAM domain-likeF: PF12826ECOD (1.6)
HPF10635e7y0dH3 A: alpha bundlesX: DisA helical linker domain (From Topology)H: DisA helical linker domain (From Topology)T: DisA helical linker domainF: PF10635ECOD (1.6)
HPF02457e7y0dH2 A: a+b three layersX: DisA nucleotide-binding domain (From Topology)H: DisA nucleotide-binding domain (From Topology)T: DisA nucleotide-binding domainF: PF02457ECOD (1.6)
BPF12826e7y0dB2 A: alpha arraysX: HhH/H2THH: SAM/DNA-glycosylaseT: SAM domain-likeF: PF12826ECOD (1.6)
BPF10635e7y0dB1 A: alpha bundlesX: DisA helical linker domain (From Topology)H: DisA helical linker domain (From Topology)T: DisA helical linker domainF: PF10635ECOD (1.6)
BPF02457e7y0dB3 A: a+b three layersX: DisA nucleotide-binding domain (From Topology)H: DisA nucleotide-binding domain (From Topology)T: DisA nucleotide-binding domainF: PF02457ECOD (1.6)
EPF12826e7y0dE2 A: alpha arraysX: HhH/H2THH: SAM/DNA-glycosylaseT: SAM domain-likeF: PF12826ECOD (1.6)
EPF10635e7y0dE3 A: alpha bundlesX: DisA helical linker domain (From Topology)H: DisA helical linker domain (From Topology)T: DisA helical linker domainF: PF10635ECOD (1.6)
EPF02457e7y0dE1 A: a+b three layersX: DisA nucleotide-binding domain (From Topology)H: DisA nucleotide-binding domain (From Topology)T: DisA nucleotide-binding domainF: PF02457ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B, C, D, E
PF12826Helix-hairpin-helix motif (HHH_2)Helix-hairpin-helix motif- Motif
A, B, C, D, E
PF10635DisA bacterial checkpoint controller linker region (DisA-linker)DisA bacterial checkpoint controller linker regionThe DisA protein is a bacterial checkpoint protein that dimerises into an octameric complex. The protein consists of three distinct domains. the first, N-terminal region, from 1-145 is globular and is represented by family DisA_N, Pfam:PF02457; the n ...The DisA protein is a bacterial checkpoint protein that dimerises into an octameric complex. The protein consists of three distinct domains. the first, N-terminal region, from 1-145 is globular and is represented by family DisA_N, Pfam:PF02457; the next 146-289 residues is this domain that consists of an elongated bundle of three alpha helices (alpha-6, alpha-10, and alpha-11), one side of which carries an additional three helices (alpha7-9), thus forming a spine like-linker between domains 1 and 3. The C-terminal residues of domain 3 are family HHH, Pfam:PF00633, the specific DNA-binding domain. The octameric complex thus has structurally linked nucleotide-binding and DNA-binding HhH domains and the nucleotide-binding domains are bound to a cyclic di-adenosine phosphate such that DisA is a specific di-adenylate cyclase. The di-adenylate cyclase activity is strongly suppressed by binding to branched DNA, but not to duplex or single-stranded DNA, suggesting a role for DisA as a monitor of the presence of stalled replication forks or recombination intermediates via DNA structure-modulated c-di-AMP synthesis [1].
Domain
A, B, C, D, E
PF02457DisA bacterial checkpoint controller nucleotide-binding (DAC)DisA bacterial checkpoint controller nucleotide-binding- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B, C, D, E
DNA integrity scanning protein DisA -

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B, C, D, E
IPR041663DisA/LigA, helix-hairpin-helix motifDomain
A, B, C, D, E
IPR010994RuvA domain 2-likeHomologous Superfamily
A, B, C, D, E
IPR023763DNA integrity scanning protein, DisAFamily
A, B, C, D, E
IPR036888DNA integrity scanning protein, DisA, N-terminal domain superfamilyHomologous Superfamily
A, B, C, D, E
IPR018906DNA integrity scanning, DisA, linker regionDomain
A, B, C, D, E
IPR003390DNA integrity scanning protein, DisA, N-terminalDomain
A, B, C, D, E
IPR038331DisA, linker domain superfamilyHomologous Superfamily