Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
BSCOP2B SuperfamilyvWA-like8035574 3000832 SCOP2B (2022-06-29)
BSCOP2B SuperfamilySPOC domain-like8035571 3000675 SCOP2B (2022-06-29)
E [auth G]SCOP2B SuperfamilySPOC domain-like8035571 3000675 SCOP2B (2022-06-29)
E [auth G]SCOP2B SuperfamilyvWA-like8035574 3000832 SCOP2B (2022-06-29)
CSCOP2B SuperfamilySPOC domain-like8035577 3000675 SCOP2B (2022-06-29)
F [auth H]SCOP2B SuperfamilyC-terminal domain of Ku808041016 3001210 SCOP2B (2022-06-29)
F [auth H]SCOP2B SuperfamilySPOC domain-like8035577 3000675 SCOP2B (2022-06-29)
F [auth H]SCOP2B SuperfamilyvWA-like8035579 3000832 SCOP2B (2022-06-29)
G [auth K]SCOP2B SuperfamilyXRCC4 C-terminal oligomerization domain-like8036636 3001502 SCOP2B (2022-06-29)
G [auth K]SCOP2B SuperfamilyXRCC4 N-terminal domain-like8036633 3001319 SCOP2B (2022-06-29)
H [auth L]SCOP2B SuperfamilyXRCC4 N-terminal domain-like8036633 3001319 SCOP2B (2022-06-29)
H [auth L]SCOP2B SuperfamilyXRCC4 C-terminal oligomerization domain-like8036636 3001502 SCOP2B (2022-06-29)
J [auth N]SCOP2B SuperfamilyXRCC4 N-terminal domain-like8036633 3001319 SCOP2B (2022-06-29)
J [auth N]SCOP2B SuperfamilyXRCC4 C-terminal oligomerization domain-like8036636 3001502 SCOP2B (2022-06-29)
K [auth O]SCOP2B SuperfamilyXRCC4 N-terminal domain-like8036633 3001319 SCOP2B (2022-06-29)
K [auth O]SCOP2B SuperfamilyXRCC4 C-terminal oligomerization domain-like8036636 3001502 SCOP2B (2022-06-29)
I [auth M]SCOP2B SuperfamilyDNA ligase IV Xrcc4-binding domain-like8095958 3002713 SCOP2B (2022-06-29)
L [auth P]SCOP2B SuperfamilyDNA ligase IV Xrcc4-binding domain-like8095958 3002713 SCOP2B (2022-06-29)
M [auth Q]SCOP2B SuperfamilyXRCC4 N-terminal domain-like8051827 3001319 SCOP2B (2022-06-29)
M [auth Q]SCOP2B SuperfamilyXRCC4 C-terminal oligomerization domain-like8051828 3001502 SCOP2B (2022-06-29)
N [auth R]SCOP2B SuperfamilyXRCC4 N-terminal domain-like8051827 3001319 SCOP2B (2022-06-29)
N [auth R]SCOP2B SuperfamilyXRCC4 C-terminal oligomerization domain-like8051828 3001502 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BKue7nfcB1 A: beta barrelsX: SPOC domain-likeH: SPOC domain-relatedT: Ku70/80 subunit middle domainF: KuECOD (1.6)
BKu_Ne7nfcB2 A: a/b three-layered sandwichesX: HAD domain-likeH: HAD domain-relatedT: vWA-likeF: Ku_NECOD (1.6)
E [auth G]Kue7nfcG1 A: beta barrelsX: SPOC domain-likeH: SPOC domain-relatedT: Ku70/80 subunit middle domainF: KuECOD (1.6)
E [auth G]Ku_Ne7nfcG2 A: a/b three-layered sandwichesX: HAD domain-likeH: HAD domain-relatedT: vWA-likeF: Ku_NECOD (1.6)
CKue7nfcC1 A: beta barrelsX: SPOC domain-likeH: SPOC domain-relatedT: Ku70/80 subunit middle domainF: KuECOD (1.6)
CKu_Ne7nfcC2 A: a/b three-layered sandwichesX: HAD domain-likeH: HAD domain-relatedT: vWA-likeF: Ku_NECOD (1.6)
F [auth H]Kue7nfcH1 A: beta barrelsX: SPOC domain-likeH: SPOC domain-relatedT: Ku70/80 subunit middle domainF: KuECOD (1.6)
F [auth H]Ku_PK_binde7nfcH2 A: alpha superhelicesX: Repetitive alpha hairpinsH: C-terminal domain of Ku80 (From Topology)T: C-terminal domain of Ku80F: Ku_PK_bindECOD (1.6)
F [auth H]Ku_Ne7nfcH3 A: a/b three-layered sandwichesX: HAD domain-likeH: HAD domain-relatedT: vWA-likeF: Ku_NECOD (1.6)
G [auth K]XRCC4_1ste7nfcK2 A: beta barrelsX: XRCC4, N-terminal domain-likeH: XRCC4, N-terminal domain (From Topology)T: XRCC4, N-terminal domainF: XRCC4_1stECOD (1.6)
G [auth K]XRCC4_2nde7nfcK3 A: alpha arraysX: HTHH: HTHT: HTH motif inserted in other structuresF: XRCC4_2ndECOD (1.6)
G [auth K]XRCC4_3rde7nfcK1 A: alpha duplicates or obligate multimersX: XRCC4 C-terminal oligomerization domain (From Topology)H: XRCC4 C-terminal oligomerization domain (From Topology)T: XRCC4 C-terminal oligomerization domainF: XRCC4_3rdECOD (1.6)
H [auth L]XRCC4_1ste7nfcL2 A: beta barrelsX: XRCC4, N-terminal domain-likeH: XRCC4, N-terminal domain (From Topology)T: XRCC4, N-terminal domainF: XRCC4_1stECOD (1.6)
H [auth L]XRCC4_2nde7nfcL3 A: alpha arraysX: HTHH: HTHT: HTH motif inserted in other structuresF: XRCC4_2ndECOD (1.6)
H [auth L]XRCC4_3rde7nfcL1 A: alpha duplicates or obligate multimersX: XRCC4 C-terminal oligomerization domain (From Topology)H: XRCC4 C-terminal oligomerization domain (From Topology)T: XRCC4 C-terminal oligomerization domainF: XRCC4_3rdECOD (1.6)
J [auth N]XRCC4_1ste7nfcN2 A: beta barrelsX: XRCC4, N-terminal domain-likeH: XRCC4, N-terminal domain (From Topology)T: XRCC4, N-terminal domainF: XRCC4_1stECOD (1.6)
J [auth N]XRCC4_2nde7nfcN3 A: alpha arraysX: HTHH: HTHT: HTH motif inserted in other structuresF: XRCC4_2ndECOD (1.6)
J [auth N]XRCC4_3rde7nfcN1 A: alpha duplicates or obligate multimersX: XRCC4 C-terminal oligomerization domain (From Topology)H: XRCC4 C-terminal oligomerization domain (From Topology)T: XRCC4 C-terminal oligomerization domainF: XRCC4_3rdECOD (1.6)
K [auth O]XRCC4_1ste7nfcO2 A: beta barrelsX: XRCC4, N-terminal domain-likeH: XRCC4, N-terminal domain (From Topology)T: XRCC4, N-terminal domainF: XRCC4_1stECOD (1.6)
K [auth O]XRCC4_2nde7nfcO3 A: alpha arraysX: HTHH: HTHT: HTH motif inserted in other structuresF: XRCC4_2ndECOD (1.6)
K [auth O]XRCC4_3rde7nfcO1 A: alpha duplicates or obligate multimersX: XRCC4 C-terminal oligomerization domain (From Topology)H: XRCC4 C-terminal oligomerization domain (From Topology)T: XRCC4 C-terminal oligomerization domainF: XRCC4_3rdECOD (1.6)
I [auth M]PTCB-BRCTe7nfcM2 A: a/b three-layered sandwichesX: BRCT domain (From Topology)H: BRCT domain (From Topology)T: BRCT domainF: PTCB-BRCTECOD (1.6)
I [auth M]BRCT_2_1e7nfcM1 A: a/b three-layered sandwichesX: BRCT domain (From Topology)H: BRCT domain (From Topology)T: BRCT domainF: BRCT_2_1ECOD (1.6)
L [auth P]PTCB-BRCTe7nfcP2 A: a/b three-layered sandwichesX: BRCT domain (From Topology)H: BRCT domain (From Topology)T: BRCT domainF: PTCB-BRCTECOD (1.6)
L [auth P]BRCT_2_1e7nfcP1 A: a/b three-layered sandwichesX: BRCT domain (From Topology)H: BRCT domain (From Topology)T: BRCT domainF: BRCT_2_1ECOD (1.6)
M [auth Q]XLF_Ne7nfcQ2 A: beta barrelsX: XRCC4, N-terminal domain-likeH: XRCC4, N-terminal domain (From Topology)T: XRCC4, N-terminal domainF: XLF_NECOD (1.6)
M [auth Q]XLF_likee7nfcQ3 A: alpha arraysX: HTHH: HTHT: HTH motif inserted in other structuresF: XLF_likeECOD (1.6)
M [auth Q]XLF_Ce7nfcQ1 A: alpha duplicates or obligate multimersX: XRCC4 C-terminal oligomerization domain (From Topology)H: XRCC4 C-terminal oligomerization domain (From Topology)T: XRCC4 C-terminal oligomerization domainF: XLF_CECOD (1.6)
N [auth R]XLF_Ne7nfcR2 A: beta barrelsX: XRCC4, N-terminal domain-likeH: XRCC4, N-terminal domain (From Topology)T: XRCC4, N-terminal domainF: XLF_NECOD (1.6)
N [auth R]XLF_likee7nfcR3 A: alpha arraysX: HTHH: HTHT: HTH motif inserted in other structuresF: XLF_likeECOD (1.6)
N [auth R]XLF_Ce7nfcR1 A: alpha duplicates or obligate multimersX: XRCC4 C-terminal oligomerization domain (From Topology)H: XRCC4 C-terminal oligomerization domain (From Topology)T: XRCC4 C-terminal oligomerization domainF: XLF_CECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A,
D [auth F]
PF08163DNA-dependent protein kinase catalytic subunit, CC3 (DNAPKcs_CC3)DNA-dependent protein kinase catalytic subunit, CC3- Repeat
A,
D [auth F]
PF02260FATC domain (FATC)FATC domain- Family
A,
D [auth F]
PF00454Phosphatidylinositol 3- and 4-kinase (PI3_PI4_kinase)Phosphatidylinositol 3- and 4-kinase- Family
A,
D [auth F]
PF19704DNA-PKcs, CC5 (DNAPKcs_CC5)DNA-PKcs, CC5- Repeat
A,
D [auth F]
PF20502DNA-dependent protein kinase catalytic subunit, CC1/2 (DNAPKcs_CC1-2)DNA-dependent protein kinase catalytic subunit, CC1/2- Repeat
B,
E [auth G]
PF02735Ku70/Ku80 beta-barrel domain (Ku)Ku70/Ku80 beta-barrel domainThe Ku heterodimer (composed of Ku70 Swiss:P12956 and Ku80 Swiss:P13010) contributes to genomic integrity through its ability to bind DNA double-strand breaks and facilitate repair by the non-homologous end-joining pathway. This is the central DNA-bi ...The Ku heterodimer (composed of Ku70 Swiss:P12956 and Ku80 Swiss:P13010) contributes to genomic integrity through its ability to bind DNA double-strand breaks and facilitate repair by the non-homologous end-joining pathway. This is the central DNA-binding beta-barrel domain. This domain is found in both the Ku70 Swiss:P12956 and Ku80 Swiss:P13010 proteins that form a DNA binding heterodimer [1].
Domain
B,
E [auth G]
PF03730Ku70/Ku80 C-terminal arm (Ku_C)Ku70/Ku80 C-terminal arm- Family
B,
E [auth G]
PF03731Ku70/Ku80 N-terminal alpha/beta domain (Ku_N)Ku70/Ku80 N-terminal alpha/beta domainThe Ku heterodimer (composed of Ku70 Swiss:P12956 and Ku80 Swiss:P13010) contributes to genomic integrity through its ability to bind DNA double-strand breaks and facilitate repair by the non-homologous end-joining pathway. This is the amino terminal ...The Ku heterodimer (composed of Ku70 Swiss:P12956 and Ku80 Swiss:P13010) contributes to genomic integrity through its ability to bind DNA double-strand breaks and facilitate repair by the non-homologous end-joining pathway. This is the amino terminal alpha/beta domain. This domain only makes a small contribution to the dimer interface. The domain comprises a six stranded beta sheet of the Rossman fold [1].
Domain
C,
F [auth H]
PF02735Ku70/Ku80 beta-barrel domain (Ku)Ku70/Ku80 beta-barrel domainThe Ku heterodimer (composed of Ku70 Swiss:P12956 and Ku80 Swiss:P13010) contributes to genomic integrity through its ability to bind DNA double-strand breaks and facilitate repair by the non-homologous end-joining pathway. This is the central DNA-bi ...The Ku heterodimer (composed of Ku70 Swiss:P12956 and Ku80 Swiss:P13010) contributes to genomic integrity through its ability to bind DNA double-strand breaks and facilitate repair by the non-homologous end-joining pathway. This is the central DNA-binding beta-barrel domain. This domain is found in both the Ku70 Swiss:P12956 and Ku80 Swiss:P13010 proteins that form a DNA binding heterodimer [1].
Domain
C,
F [auth H]
PF08785Ku C terminal domain like (Ku_PK_bind)Ku C terminal domain likeThe non-homologous end joining (NHEJ) pathway is one method by which double stranded breaks in chromosomal DNA are repaired. Ku is a component of a multi-protein complex that is involved in the NHEJ. Ku has affinity for DNA ends and recruits the DN ...The non-homologous end joining (NHEJ) pathway is one method by which double stranded breaks in chromosomal DNA are repaired. Ku is a component of a multi-protein complex that is involved in the NHEJ. Ku has affinity for DNA ends and recruits the DNA-dependent protein kinase catalytic subunit (DNA-PKcs). This domain is found at the C terminal of Ku which binds to DNA-PKcs [1].
Domain
C,
F [auth H]
PF03730Ku70/Ku80 C-terminal arm (Ku_C)Ku70/Ku80 C-terminal arm- Family
C,
F [auth H]
PF03731Ku70/Ku80 N-terminal alpha/beta domain (Ku_N)Ku70/Ku80 N-terminal alpha/beta domainThe Ku heterodimer (composed of Ku70 Swiss:P12956 and Ku80 Swiss:P13010) contributes to genomic integrity through its ability to bind DNA double-strand breaks and facilitate repair by the non-homologous end-joining pathway. This is the amino terminal ...The Ku heterodimer (composed of Ku70 Swiss:P12956 and Ku80 Swiss:P13010) contributes to genomic integrity through its ability to bind DNA double-strand breaks and facilitate repair by the non-homologous end-joining pathway. This is the amino terminal alpha/beta domain. This domain only makes a small contribution to the dimer interface. The domain comprises a six stranded beta sheet of the Rossman fold [1].
Domain
G [auth K],
H [auth L],
J [auth N],
K [auth O]
PF06632DNA double-strand break repair and V(D)J recombination protein XRCC4 (XRCC4)DNA double-strand break repair and V(D)J recombination protein XRCC4- Family
I [auth M],
L [auth P]
PF11411DNA ligase IV (DNA_ligase_IV)DNA ligase IV- Family
I [auth M],
L [auth P]
PF00533BRCA1 C Terminus (BRCT) domain (BRCT)BRCA1 C Terminus (BRCT) domain- Family
M [auth Q],
N [auth R]
PF09302XLF-Cernunnos, XRcc4-like factor, NHEJ component (XLF)XLF-Cernunnos, XRcc4-like factor, NHEJ component- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A,
D [auth F]
DNA-dependent protein kinase catalytic subunit,DNA-dependent protein kinase catalytic subunit,DNA-PKcs
B,
E [auth G]
X-ray repair cross-complementing protein 6
C,
F [auth H]
X-ray repair cross-complementing protein 5
G [auth K],
H [auth L],
J [auth N],
K [auth O]
DNA repair protein XRCC4
I [auth M],
L [auth P]
DNA ligase 4
M [auth Q],
N [auth R]
Non-homologous end-joining factor 1
O [auth D]DNA (27-MER)---
P [auth E],
Q [auth I]
DNA (28-MER)---
R [auth J]DNA (27-MER)---

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A,
D [auth F]
IPR016024Armadillo-type foldHomologous Superfamily
A,
D [auth F]
IPR003151PIK-related kinase, FATDomain
A,
D [auth F]
IPR046803DNA-dependent protein kinase catalytic subunit, CC1/2Domain
A,
D [auth F]
IPR046804DNA-PKcs, N-terminalDomain
A,
D [auth F]
IPR045581DNA-dependent protein kinase catalytic subunit, CC5Domain
A,
D [auth F]
IPR003152FATC domainDomain
A,
D [auth F]
IPR012582DNA-dependent protein kinase catalytic subunit, CC3Domain
A,
D [auth F]
IPR011989Armadillo-like helicalHomologous Superfamily
A,
D [auth F]
IPR018936Phosphatidylinositol 3/4-kinase, conserved siteConserved Site
A,
D [auth F]
IPR000403Phosphatidylinositol 3-/4-kinase, catalytic domainDomain
A,
D [auth F]
IPR036940Phosphatidylinositol 3-/4-kinase, catalytic domain superfamilyHomologous Superfamily
A,
D [auth F]
IPR011009Protein kinase-like domain superfamilyHomologous Superfamily
A,
D [auth F]
IPR037706DNA-dependent protein kinase catalytic subunit, catalytic domainDomain
A,
D [auth F]
IPR014009PIK-related kinaseDomain
B,
E [auth G]
IPR016194SPOC-like, C-terminal domain superfamilyHomologous Superfamily
B,
E [auth G]
IPR027388Ku70, bridge and pillars domain superfamilyHomologous Superfamily
B,
E [auth G]
IPR036361SAP domain superfamilyHomologous Superfamily
B,
E [auth G]
IPR006165Ku70Family
B,
E [auth G]
IPR006164Ku70/Ku80 beta-barrel domainDomain
B,
E [auth G]
IPR036465von Willebrand factor A-like domain superfamilyHomologous Superfamily
B,
E [auth G]
IPR005161Ku70/Ku80, N-terminal alpha/betaDomain
B,
E [auth G]
IPR047087Ku70, core domainDomain
B,
E [auth G]
IPR005160Ku70/Ku80 C-terminal armDomain
B,
E [auth G]
IPR003034SAP domainDomain
C,
F [auth H]
IPR036494Ku, C-terminal domain superfamilyHomologous Superfamily
C,
F [auth H]
IPR016194SPOC-like, C-terminal domain superfamilyHomologous Superfamily
C,
F [auth H]
IPR006164Ku70/Ku80 beta-barrel domainDomain
C,
F [auth H]
IPR036465von Willebrand factor A-like domain superfamilyHomologous Superfamily
C,
F [auth H]
IPR002035von Willebrand factor, type ADomain
C,
F [auth H]
IPR005161Ku70/Ku80, N-terminal alpha/betaDomain
C,
F [auth H]
IPR014893Ku, C-terminalDomain
C,
F [auth H]
IPR005160Ku70/Ku80 C-terminal armDomain
C,
F [auth H]
IPR024193Ku80Family
G [auth K],
H [auth L],
J [auth N],
K [auth O]
IPR014751DNA repair protein XRCC4-like, C-terminalHomologous Superfamily
G [auth K],
H [auth L],
J [auth N],
K [auth O]
IPR010585DNA repair protein XRCC4Family
G [auth K],
H [auth L],
J [auth N],
K [auth O]
IPR038051XRCC4-like, N-terminal domain superfamilyHomologous Superfamily
G [auth K],
H [auth L],
J [auth N],
K [auth O]
IPR009089XRCC4, N-terminal domain superfamilyHomologous Superfamily
I [auth M],
L [auth P]
IPR029710DNA ligase 4Family
I [auth M],
L [auth P]
IPR012310DNA ligase, ATP-dependent, centralDomain
I [auth M],
L [auth P]
IPR012308DNA ligase, ATP-dependent, N-terminalDomain
I [auth M],
L [auth P]
IPR044125DNA Ligase 4, adenylation domainDomain
I [auth M],
L [auth P]
IPR012340Nucleic acid-binding, OB-foldHomologous Superfamily
I [auth M],
L [auth P]
IPR021536DNA ligase IV domainDomain
I [auth M],
L [auth P]
IPR036599DNA ligase, ATP-dependent, N-terminal domain superfamilyHomologous Superfamily
I [auth M],
L [auth P]
IPR001357BRCT domainDomain
I [auth M],
L [auth P]
IPR036420BRCT domain superfamilyHomologous Superfamily
I [auth M],
L [auth P]
IPR016059DNA ligase, ATP-dependent, conserved siteConserved Site
I [auth M],
L [auth P]
IPR000977DNA ligase, ATP-dependentFamily
I [auth M],
L [auth P]
IPR012309DNA ligase, ATP-dependent, C-terminalDomain
M [auth Q],
N [auth R]
IPR015381XLF, N-terminalDomain
M [auth Q],
N [auth R]
IPR038051XRCC4-like, N-terminal domain superfamilyHomologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

ChainsDrug Target  Associated Disease
A,
D [auth F]
PharosP78527
B,
E [auth G]
PharosP12956
C,
F [auth H]
PharosP13010
G [auth K],
H [auth L],
J [auth N],
K [auth O]
PharosQ13426
I [auth M],
L [auth P]
PharosP49917
M [auth Q],
N [auth R]
PharosQ9H9Q4