8OW1

Cryo-EM structure of the yeast Inner kinetochore bound to a CENP-A nucleosome.


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
GA [auth b]SCOP2B SuperfamilyCore histone-like 8036586 3001387 SCOP2B (2022-06-29)
JA [auth f]SCOP2B SuperfamilyCore histone-like 8036586 3001387 SCOP2B (2022-06-29)
HA [auth d]SCOP2B SuperfamilyCore histone-like 8103853 3001387 SCOP2B (2022-06-29)
LA [auth h]SCOP2B SuperfamilyCore histone-like 8103853 3001387 SCOP2B (2022-06-29)
IA [auth e]SCOP2B SuperfamilyCore histone-like 8103851 3001387 SCOP2B (2022-06-29)
NA [auth a]SCOP2B SuperfamilyCore histone-like 8103851 3001387 SCOP2B (2022-06-29)
KA [auth g]SCOP2B SuperfamilyCore histone-like 8036588 3001387 SCOP2B (2022-06-29)
MA [auth c]SCOP2B SuperfamilyCore histone-like 8036588 3001387 SCOP2B (2022-06-29)
I [auth ce]SCOP2B SuperfamilyCep3/Upc2 domain-like 8093129 3002679 SCOP2B (2022-06-29)
I [auth ce]SCOP2B SuperfamilyARM repeat-like 8093131 3000116 SCOP2B (2022-06-29)
L [auth CE]SCOP2B SuperfamilyCep3/Upc2 domain-like 8093129 3002679 SCOP2B (2022-06-29)
L [auth CE]SCOP2B SuperfamilyARM repeat-like 8093131 3000116 SCOP2B (2022-06-29)
K [auth SK]SCOP2B SuperfamilySkp1 dimerisation domain-like 8043773 3000564 SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF00010Helix-loop-helix DNA-binding domain (HLH)Helix-loop-helix DNA-binding domain- Domain
O [auth OO],
U [auth O]
PF09496Cenp-O kinetochore centromere component (CENP-O)Cenp-O kinetochore centromere component- Family
W [auth Z],
Z [auth ZZ]
PF09447Cnl2/NKP2 family protein (Cnl2_NKP2)Cnl2/NKP2 family protein- Family
CA [auth HH],
E [auth H]
PF20993CENPH protein (CENPH)CENPH protein- Family
G [auth NN],
P [auth N]
PF05238Kinetochore protein CHL4 like (CENP-N)Kinetochore protein CHL4 like- Family
I [auth ce],
L [auth CE]
PF00172Fungal Zn(2)-Cys(6) binuclear cluster domain (Zn_clus)Fungal Zn(2)-Cys(6) binuclear cluster domain- Domain
I [auth ce],
L [auth CE]
PF16846Centromere DNA-binding protein complex CBF3 subunit B (Cep3)Centromere DNA-binding protein complex CBF3 subunit B- Family
K [auth SK]PF03931Skp1 family, tetramerisation domain (Skp1_POZ)Skp1 family, tetramerisation domain- Domain
K [auth SK]PF01466Skp1 family, dimerisation domain (Skp1)Skp1 family, dimerisation domain- Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B
Centromere-binding protein 1
M [auth P],
S [auth PP]
Inner kinetochore subunit CTF19-
DA [auth QQ],
N [auth Q]
Inner kinetochore subunit OKP1-
O [auth OO],
U [auth O]
Inner kinetochore subunit MCM21-
OA [auth TT],
Q [auth T]
Inner kinetochore subunit CNN1
R [auth U],
X [auth UU]
Inner kinetochore subunit AME1-
PA [auth WW],
T [auth W]
Inner kinetochore subunit WIP1
V [auth Y],
Y [auth YY]
Inner kinetochore subunit NKP1-
W [auth Z],
Z [auth ZZ]
Inner kinetochore subunit NKP2-
EA [auth D]C0N3---
FA [auth E]C0N3---
AA [auth II],
C [auth I]
Inner kinetochore subunit CTF3-
GA [auth b],
JA [auth f]
Histone H4
HA [auth d],
LA [auth h]
Histone H2B.1
IA [auth e],
NA [auth a]
Histone H3-like centromeric protein CSE4
KA [auth g],
MA [auth c]
Histone H2A.1
BA [auth KK],
D [auth K]
Inner kinetochore subunit MCM22-
CA [auth HH],
E [auth H]
Inner kinetochore subunit MCM16-
F [auth LL],
J [auth L]
Inner kinetochore subunit IML3-
G [auth NN],
P [auth N]
Inner kinetochore subunit CHL4
H [auth CT]Centromere DNA-binding protein complex CBF3 subunit C
I [auth ce],
L [auth CE]
Centromere DNA-binding protein complex CBF3 subunit B
K [auth SK]Suppressor of kinetochore protein 1

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B
IPR047206Centromere-binding protein 1-like, bHLHzip domainDomain
A, B
IPR011598Myc-type, basic helix-loop-helix (bHLH) domainDomain
A, B
IPR036638Helix-loop-helix DNA-binding domain superfamilyHomologous Superfamily
O [auth OO],
U [auth O]
IPR018464Centromere protein OFamily
R [auth U],
X [auth UU]
IPR048743Inner kinetochore subunit AME1Family
W [auth Z],
Z [auth ZZ]
IPR018565Kinetochore subunit Nkp2/Cnl2Family
GA [auth b],
JA [auth f]
IPR009072Histone-foldHomologous Superfamily
GA [auth b],
JA [auth f]
IPR035425CENP-T/Histone H4, histone foldDomain
GA [auth b],
JA [auth f]
IPR001951Histone H4Family
GA [auth b],
JA [auth f]
IPR019809Histone H4, conserved siteConserved Site
HA [auth d],
LA [auth h]
IPR009072Histone-foldHomologous Superfamily
HA [auth d],
LA [auth h]
IPR007125Histone H2A/H2B/H3Domain
HA [auth d],
LA [auth h]
IPR000558Histone H2BFamily
IA [auth e],
NA [auth a]
IPR009072Histone-foldHomologous Superfamily
IA [auth e],
NA [auth a]
IPR007125Histone H2A/H2B/H3Domain
IA [auth e],
NA [auth a]
IPR000164Histone H3/CENP-AFamily
KA [auth g],
MA [auth c]
IPR009072Histone-foldHomologous Superfamily
KA [auth g],
MA [auth c]
IPR007125Histone H2A/H2B/H3Domain
KA [auth g],
MA [auth c]
IPR002119Histone H2AFamily
KA [auth g],
MA [auth c]
IPR032454Histone H2A, C-terminal domainDomain
KA [auth g],
MA [auth c]
IPR032458Histone H2A conserved siteConserved Site
CA [auth HH],
E [auth H]
IPR048744Inner kinetochore subunit MCM16Family
G [auth NN],
P [auth N]
IPR007902Centromere protein Chl4/mis15/CENP-NFamily
H [auth CT]IPR032675Leucine-rich repeat domain superfamilyHomologous Superfamily
I [auth ce],
L [auth CE]
IPR036864Zn(2)-C6 fungal-type DNA-binding domain superfamilyHomologous Superfamily
I [auth ce],
L [auth CE]
IPR031760Centromere DNA-binding protein complex CBF3 subunit B, C-terminalDomain
I [auth ce],
L [auth CE]
IPR050613Secondary Metabolite Biosynthesis RegulatorsFamily
I [auth ce],
L [auth CE]
IPR001138Zn(2)Cys(6) fungal-type DNA-binding domainDomain
K [auth SK]IPR016073SKP1 component, POZ domainDomain
K [auth SK]IPR001232S-phase kinase-associated protein 1-likeFamily
K [auth SK]IPR036296SKP1-like, dimerisation domain superfamilyHomologous Superfamily
K [auth SK]IPR016072SKP1 component, dimerisationDomain
K [auth SK]IPR011333SKP1/BTB/POZ domain superfamilyHomologous Superfamily
K [auth SK]IPR016897S-phase kinase-associated protein 1Family