Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

1YTZ

Crystal structure of skeletal muscle troponin in the Ca2+-activated state

Functional Information from GO Data
ChainGOidnamespacecontents
C0003009biological_processskeletal muscle contraction
C0005509molecular_functioncalcium ion binding
C0005861cellular_componenttroponin complex
I0003009biological_processskeletal muscle contraction
I0005861cellular_componenttroponin complex
I0060048biological_processcardiac muscle contraction
T0005861cellular_componenttroponin complex
T0006937biological_processregulation of muscle contraction
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA C 201
ChainResidue
CASP105
CASN107
CASP109
CPHE111
CGLU116

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA C 202
ChainResidue
CGLU152
CASP141
CASN143
CASP145
CARG147

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA C 203
ChainResidue
CASP29
CASP31
CASP35
CGLU40

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA C 204
ChainResidue
CASP65
CASP67
CSER69
CTHR71
CASP73
CGLU76

site_idAC5
Number of Residues9
DetailsBINDING SITE FOR RESIDUE DR6 C 205
ChainResidue
CMET45
CLEU48
CGLY49
CGLN50
CMET81
CGLN84
IARG115
IMET116
IMET121

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE DR6 I 183
ChainResidue
ITYR43
IHIS47
ILYS66
TLYS220

site_idAC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE DR6 T 103
ChainResidue
TLYS183
TLYS190
TASN193
TILE194
TGLU208

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DADGGGDIStkEL
ChainResidueDetails
CASP29-LEU41
CASP65-PHE77
CASP105-LEU117
CASP141-PHE153

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues11
DetailsCompositional bias: {"description":"Basic and acidic residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues20
DetailsRegion: {"description":"Involved in binding TNC and actin"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues35
DetailsDomain: {"description":"EF-hand 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues35
DetailsDomain: {"description":"EF-hand 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues35
DetailsDomain: {"description":"EF-hand 3","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues33
DetailsDomain: {"description":"EF-hand 4","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues18
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

251422

PDB entries from 2026-04-01

PDB statisticsPDBj update infoContact PDBjnumon