7KOR | pdb_00007kor

Structure of cardiac native thin filament at pCa=5.8 having upper troponin in Ca2+ bound state and lower troponin in Ca2+ free state


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
PSCOP2B SuperfamilyTropomyosin 8039510 3001691 SCOP2B (2022-06-29)
QSCOP2B SuperfamilyTropomyosin 8039510 3001691 SCOP2B (2022-06-29)
WSCOP2B SuperfamilyTropomyosin 8039510 3001691 SCOP2B (2022-06-29)
XSCOP2B SuperfamilyTropomyosin 8039510 3001691 SCOP2B (2022-06-29)
CA [auth c]SCOP2B SuperfamilyEF-hand 8104309 3001983 SCOP2B (2022-06-29)
VSCOP2B SuperfamilyEF-hand 8104309 3001983 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
CActin_1ste7korC2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
CActin_2nde7korC1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
IActin_1ste7korI1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
IActin_2nde7korI2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
MActin_1ste7korM2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
MActin_2nde7korM1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
AActin_1ste7korA2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
AActin_2nde7korA1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
BActin_1ste7korB1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
BActin_2nde7korB2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
DActin_1ste7korD2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
DActin_2nde7korD1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
EActin_1ste7korE2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
EActin_2nde7korE1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
FActin_1ste7korF2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
FActin_2nde7korF1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
GActin_1ste7korG1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
GActin_2nde7korG2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
HActin_1ste7korH2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
HActin_2nde7korH1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
JActin_1ste7korJ2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
JActin_2nde7korJ1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
KActin_1ste7korK2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
KActin_2nde7korK1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
LActin_1ste7korL1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
LActin_2nde7korL2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
NActin_1ste7korN2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
NActin_2nde7korN1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
OActin_1ste7korO1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_1stECOD (1.6)
OActin_2nde7korO2 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Actin_2ndECOD (1.6)
PTropomyosine7korP1 A: alpha bundlesX: Helical domain in structural maintenance of chromosomes protein 3 (From Topology)H: Helical domain in structural maintenance of chromosomes protein 3 (From Topology)T: Helical domain in structural maintenance of chromosomes protein 3F: TropomyosinECOD (1.6)
QTropomyosine7korQ1 A: alpha bundlesX: Helical domain in structural maintenance of chromosomes protein 3 (From Topology)H: Helical domain in structural maintenance of chromosomes protein 3 (From Topology)T: Helical domain in structural maintenance of chromosomes protein 3F: TropomyosinECOD (1.6)
RF_UNCLASSIFIEDe7korR1 A: alpha duplicates or obligate multimersX: EB1 dimerisation domain-like (From Topology)H: EB1 dimerisation domain-like (From Topology)T: EB1 dimerisation domain-likeF: F_UNCLASSIFIEDECOD (1.6)
SF_UNCLASSIFIEDe7korS1 A: alpha duplicates or obligate multimersX: EB1 dimerisation domain-like (From Topology)H: EB1 dimerisation domain-like (From Topology)T: EB1 dimerisation domain-likeF: F_UNCLASSIFIEDECOD (1.6)
WTropomyosine7korW1 A: alpha bundlesX: Helical domain in structural maintenance of chromosomes protein 3 (From Topology)H: Helical domain in structural maintenance of chromosomes protein 3 (From Topology)T: Helical domain in structural maintenance of chromosomes protein 3F: TropomyosinECOD (1.6)
XTropomyosine7korX1 A: alpha bundlesX: Helical domain in structural maintenance of chromosomes protein 3 (From Topology)H: Helical domain in structural maintenance of chromosomes protein 3 (From Topology)T: Helical domain in structural maintenance of chromosomes protein 3F: TropomyosinECOD (1.6)
YF_UNCLASSIFIEDe7korY1 A: alpha duplicates or obligate multimersX: EB1 dimerisation domain-like (From Topology)H: EB1 dimerisation domain-like (From Topology)T: EB1 dimerisation domain-likeF: F_UNCLASSIFIEDECOD (1.6)
ZF_UNCLASSIFIEDe7korZ1 A: alpha duplicates or obligate multimersX: EB1 dimerisation domain-like (From Topology)H: EB1 dimerisation domain-like (From Topology)T: EB1 dimerisation domain-likeF: F_UNCLASSIFIEDECOD (1.6)
CA [auth c]EF-hand_7_1e7korc1 A: alpha arraysX: EF-handH: EF-hand-relatedT: EF-handF: EF-hand_7_1ECOD (1.6)
CA [auth c]EF-hand_7_5e7korc2 A: alpha arraysX: EF-handH: EF-hand-relatedT: EF-handF: EF-hand_7_5ECOD (1.6)
VEF-hand_7_1e7korV1 A: alpha arraysX: EF-handH: EF-hand-relatedT: EF-handF: EF-hand_7_1ECOD (1.6)
VEF-hand_7_5e7korV2 A: alpha arraysX: EF-handH: EF-hand-relatedT: EF-handF: EF-hand_7_5ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B, C, D, E
PF13833EF-hand domain pair (EF-hand_8)EF-hand domain pairDomain
A, B, C, D, E
PF00022Actin (Actin)Actin- Family
A, B, C, D, E
PF13499EF-hand domain pair (EF-hand_7)EF-hand domain pairDomain
A, B, C, D, E
PF00992Troponin (Troponin)Troponin- Family
P, Q, R, S, W
PF00261Tropomyosin (Tropomyosin)Tropomyosin- Coiled-coil
AA [auth a],
T
PF00992Troponin (Troponin)Troponin- Family
CA [auth c],
V
PF13833EF-hand domain pair (EF-hand_8)EF-hand domain pairDomain
CA [auth c],
V
PF13499EF-hand domain pair (EF-hand_7)EF-hand domain pairDomain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A, B, C, D, E
Actin, alpha skeletal muscle
P, Q, R, S, W
Tropomyosin alpha-1 chain
AA [auth a],
T
Troponin T, cardiac muscle-
BA [auth b],
U
Troponin I, cardiac muscle---
CA [auth c],
V
Troponin C

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
A, B, C, D, E
IPR020902Actin/actin-like conserved siteConserved Site
A, B, C, D, E
IPR004001Actin, conserved siteConserved Site
A, B, C, D, E
IPR043129ATPase, nucleotide binding domainHomologous Superfamily
A, B, C, D, E
IPR004000Actin familyFamily
P, Q, R, S, W
IPR000533TropomyosinFamily
AA [auth a],
T
IPR027707Troponin TFamily
AA [auth a],
T
IPR001978TroponinFamily
AA [auth a],
T
IPR038077Troponin domain superfamilyHomologous Superfamily
CA [auth c],
V
IPR050230Calmodulin/Myosin light chain/Troponin C-likeFamily
CA [auth c],
V
IPR018247EF-Hand 1, calcium-binding siteBinding Site
CA [auth c],
V
IPR002048EF-hand domainDomain
CA [auth c],
V
IPR011992EF-hand domain pairHomologous Superfamily