Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
GSCOP2B SuperfamilyACP-like 8040084 3001805 SCOP2B (2022-06-29)
HSCOP2B SuperfamilyACP-like 8040084 3001805 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
CMukF_Ce7nywC2 A: alpha arraysX: HTHH: HTHT: wingedF: MukF_CECOD (1.6)
CMukF_Me7nywC1 A: alpha bundlesX: STAT-likeH: MukF C-terminal domain-like (From Topology)T: MukF C-terminal domain-likeF: MukF_MECOD (1.6)
DKicBe7nywD1 A: alpha arraysX: HTHH: HTHT: wingedF: KicBECOD (1.6)
EMukE_Ce7nywE2 A: alpha arraysX: HTHH: HTHT: wingedF: MukE_CECOD (1.6)
EMukE_Ne7nywE1 A: a+b two layersX: Chromosome partition protein mukE N-terminal domain (From Topology)H: Chromosome partition protein mukE N-terminal domain (From Topology)T: Chromosome partition protein mukE N-terminal domainF: MukE_NECOD (1.6)
FMukE_Ce7nywF1 A: alpha arraysX: HTHH: HTHT: wingedF: MukE_CECOD (1.6)
FMukE_Ne7nywF2 A: a+b two layersX: Chromosome partition protein mukE N-terminal domain (From Topology)H: Chromosome partition protein mukE N-terminal domain (From Topology)T: Chromosome partition protein mukE N-terminal domainF: MukE_NECOD (1.6)
GPP-bindinge7nywG1 A: alpha bundlesX: ACP-likeH: Acyl-carrier protein (ACP) (From Topology)T: Acyl-carrier protein (ACP)F: PP-bindingECOD (1.6)
HPP-bindinge7nywH1 A: alpha bundlesX: ACP-likeH: Acyl-carrier protein (ACP) (From Topology)T: Acyl-carrier protein (ACP)F: PP-bindingECOD (1.6)
IMatP_Ce7nywI2 A: alpha arraysX: HTHH: HTHT: Ribbon-helix-helixF: MatP_CECOD (1.6)
IMatPe7nywI1 A: alpha arraysX: Macrodomain Ter protein MatP (From Topology)H: Macrodomain Ter protein MatP (From Topology)T: Macrodomain Ter protein MatPF: MatPECOD (1.6)
JMatP_Ce7nywJ1 A: alpha arraysX: HTHH: HTHT: Ribbon-helix-helixF: MatP_CECOD (1.6)
JMatPe7nywJ2 A: alpha arraysX: Macrodomain Ter protein MatP (From Topology)H: Macrodomain Ter protein MatP (From Topology)T: Macrodomain Ter protein MatPF: MatPECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF13558SbcC/RAD50-like, Walker B motif (SbcC_Walker_B)SbcC/RAD50-like, Walker B motifThis entry represents the Walker B domain of RAD50 from eukaryotes and the prokaryotic homologue SbcCD complex subunit C. RAD50-ATPase forms a complex with Mre11-nuclease that detects and processes diverse and obstructed DNA ends. This domain is sepa ...This entry represents the Walker B domain of RAD50 from eukaryotes and the prokaryotic homologue SbcCD complex subunit C. RAD50-ATPase forms a complex with Mre11-nuclease that detects and processes diverse and obstructed DNA ends. This domain is separated of the Walker A domain by a long coiled-coil domain and forms the nucleotide-binding domain (NBD) when the coiled coils fold back on themselves and bring together Walker A and B domains [1,2,3,4]. Two RAD50-NBDs forms heterotetramers with a Mre11 nuclease dimer that assemble as catalytic head module that binds and cleaves DNA in an ATP-dependent reaction. Through secondary structural analysis, it has been suggested that there is a wide structural conservation in the Rad50/SMC protein family as seen in structural similarities between RAD50's hook and ABC-ATPase MukB's elbow region [4].
Domain
A, B
PF16330MukB hinge domain (MukB_hinge)MukB hinge domainThe hinge domain of chromosome partition protein MukB is responsible for dimerisation and is also involved in protein-DNA interactions and conformational flexibility [1].Domain
A, B
PF04310MukB N-terminal (MukB)MukB N-terminalThis family represents the N-terminal region of MukB, one of a group of bacterial proteins essential for the movement of nucleoids from mid-cell towards the cell quarters (i.e. chromosome partitioning). The structure of the N-terminal domain consist ...This family represents the N-terminal region of MukB, one of a group of bacterial proteins essential for the movement of nucleoids from mid-cell towards the cell quarters (i.e. chromosome partitioning). The structure of the N-terminal domain consists of an antiparallel six-stranded beta sheet surrounded by one helix on one side and by five helices on the other side [1]. It contains an exposed Walker A loop in an unexpected helix-loop-helix motif (in other proteins, Walker A motifs generally adopt a P loop conformation as part of a strand-loop-helix motif embedded in a conserved topology of alternating helices and (parallel) beta strands)[1].
Domain
C, D
PF17193MukF C-terminal domain (MukF_C)MukF C-terminal domainThis presumed domain is found at the C-terminus of the MukF protein.Domain
C, D
PF17192MukF middle domain (MukF_M)MukF middle domainThe kicA and kicB genes are found upstream of mukB. It has been suggested that the kicB gene encodes a killing factor and the kicA gene codes for a protein that suppresses the killing function of the kicB gene product [1]. It was also demonstrated th ...The kicA and kicB genes are found upstream of mukB. It has been suggested that the kicB gene encodes a killing factor and the kicA gene codes for a protein that suppresses the killing function of the kicB gene product [1]. It was also demonstrated that KicA and KicB can function as a post-segregational killing system, when the genes are transferred from the E. coli chromosome onto a plasmid [1].
Domain
E, F
PF04288MukE-like family (MukE)MukE-like family- Family
G, H
PF00550Phosphopantetheine attachment site (PP-binding)Phosphopantetheine attachment siteA 4'-phosphopantetheine prosthetic group is attached through a serine. This prosthetic group acts as a a 'swinging arm' for the attachment of activated fatty acid and amino-acid groups. This domain forms a four helix bundle. This family includes memb ...A 4'-phosphopantetheine prosthetic group is attached through a serine. This prosthetic group acts as a a 'swinging arm' for the attachment of activated fatty acid and amino-acid groups. This domain forms a four helix bundle. This family includes members not included in Prosite. The inclusion of these members is supported by sequence analysis and functional evidence. The related domain of Swiss:P19828 has the attachment serine replaced by an alanine.
Domain
I, J
PF17414MatP C-terminal ribbon-helix-helix domain (MatP_C)MatP C-terminal ribbon-helix-helix domainThis family, many of whose members are YcbG, organises the macrodomain Ter of the chromosome of bacteria such as E coli. In these bacteria, insulated macrodomains influence the segregation of sister chromatids and the mobility of chromosomal DNA. Org ...This family, many of whose members are YcbG, organises the macrodomain Ter of the chromosome of bacteria such as E coli. In these bacteria, insulated macrodomains influence the segregation of sister chromatids and the mobility of chromosomal DNA. Organisation of the Terminus region (Ter) into a macrodomain relies on the presence of a 13 bp motif called matS repeated 23 times in the 800-kb-long domain. MatS sites are the main targets in the E. coli chromosome of YcbG or MatP (macrodomain Ter protein). MatP accumulates in the cell as a discrete focus that co-localises with the Ter macrodomain. The effects of MatP inactivation reveal its role as the main organiser of the Ter macrodomain: in the absence of MatP, DNA is less compacted, the mobility of markers is increased, and segregation of the Ter macrodomain occurs early in the cell cycle. A specific organisational system is required in the Terminus region for bacterial chromosome management during the cell cycle. This entry represents the C-terminal ribbon-helix-helix domain.
Domain
I, J
PF06303MatP N-terminal domain (MatP)MatP N-terminal domainThis family, many of whose members are YcbG, organises the macrodomain Ter of the chromosome of bacteria such as E coli. In these bacteria, insulated macrodomains influence the segregation of sister chromatids and the mobility of chromosomal DNA. Org ...This family, many of whose members are YcbG, organises the macrodomain Ter of the chromosome of bacteria such as E coli. In these bacteria, insulated macrodomains influence the segregation of sister chromatids and the mobility of chromosomal DNA. Organisation of the Terminus region (Ter) into a macrodomain relies on the presence of a 13 bp motif called matS repeated 23 times in the 800-kb-long domain. MatS sites are the main targets in the E. coli chromosome of YcbG or MatP (macrodomain Ter protein). MatP accumulates in the cell as a discrete focus that co-localises with the Ter macrodomain. The effects of MatP inactivation reveal its role as the main organiser of the Ter macrodomain: in the absence of MatP, DNA is less compacted, the mobility of markers is increased, and segregation of the Ter macrodomain occurs early in the cell cycle. A specific organisational system is required in the Terminus region for bacterial chromosome management during the cell cycle. This entry represents the N-terminal domain of MatP.
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
Chromosome partition protein MukB
C, D
Chromosome partition protein MukF
E, F
Chromosome partition protein MukE-
G, H
Acyl carrier protein
I, J
Macrodomain Ter protein
matS2 DNA 80 b, oligo FBA769---
matS2 DNA 80 b, oligo FBA770---
M, N
DNA 80 b---

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B
IPR042501MukB, hinge domain superfamilyHomologous Superfamily
A, B
IPR050308Chromosome partition protein MukB/SMCFamily
A, B
IPR007406MukB, N-terminal domainDomain
A, B
IPR032520MukB, hinge domainDomain
A, B
IPR012090Chromosome partition protein MukBFamily
A, B
IPR027417P-loop containing nucleoside triphosphate hydrolaseHomologous Superfamily
C, D
IPR005582Chromosome partition protein MukFFamily
C, D
IPR036388Winged helix-like DNA-binding domain superfamilyHomologous Superfamily
C, D
IPR036141MukF, middle domain superfamilyHomologous Superfamily
C, D
IPR036390Winged helix DNA-binding domain superfamilyHomologous Superfamily
C, D
IPR033439Chromosome partition protein MukF, winged-helix domainDomain
C, D
IPR038198MukF, C-terminal domain superfamilyHomologous Superfamily
C, D
IPR033441Chromosome partition protein MukF, C-terminal domainDomain
C, D
IPR033440Chromosome partition protein MukF, middle domainDomain
E, F
IPR042038MukE, N-terminal domainHomologous Superfamily
E, F
IPR042037MukE, C-terminal domainHomologous Superfamily
E, F
IPR007385Prokaryotic chromosome segregation/condensation protein MukEFamily
G, H
IPR006162Phosphopantetheine attachment sitePTM
G, H
IPR009081Phosphopantetheine binding ACP domainDomain
G, H
IPR036736ACP-like superfamilyHomologous Superfamily
G, H
IPR003231Acyl carrier proteinFamily
I, J
IPR013321Arc-type ribbon-helix-helixHomologous Superfamily
I, J
IPR009390Macrodomain Ter protein, MatPFamily
I, J
IPR035375MatP, C-terminal ribbon-helix-helix domainDomain
I, J
IPR038339MatP, N-terminal domain superfamilyHomologous Superfamily
I, J
IPR035087MatP, N-terminalDomain