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5TNC

REFINED CRYSTAL STRUCTURE OF TROPONIN C FROM TURKEY SKELETAL MUSCLE AT 2.0 ANGSTROMS RESOLUTION

Replaces:  2TNC
Functional Information from GO Data
ChainGOidnamespacecontents
A0005509molecular_functioncalcium ion binding
A0016460cellular_componentmyosin II complex
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 163
ChainResidue
AASP106
AASN108
AASP110
APHE112
AGLU117
AHOH173

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA A 164
ChainResidue
AASP74
AASP142
AASN144
AASP146
AARG148
AGLU153
AHOH167

site_idI
Number of Residues12
DetailsLOW AFFINITY calcium binding site
ChainResidue
AASP30
ATHR39
ALYS40
AGLU41
AALA31
AASP32
AGLY33
AGLY34
AGLY35
AASP36
AILE37
ASER38

site_idII
Number of Residues12
DetailsLOW AFFINITY calcium binding site
ChainResidue
AASP66
AGLU67
AASP68
AGLY69
ASER70
AGLY71
ATHR72
AILE73
AASP74
APHE75
AGLU76
AGLU77

site_idIII
Number of Residues12
Detailshigh AFFINITY calcium binding site
ChainResidue
AASP106
ALYS107
AASN108
AALA109
AASP110
AGLY111
APHE112
AILE113
AASP114
AILE115
AGLU116
AGLU117

site_idIV
Number of Residues12
Detailshigh AFFINITY calcium binding site
ChainResidue
AASP142
ALYS143
AASN144
AASN145
AASP146
AGLY147
AARG148
AILE149
AASP150
APHE151
AASP152
AGLU153

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DADGGGDIStkEL
ChainResidueDetails
AASP30-LEU42
AASP66-PHE78
AASP106-LEU118
AASP142-PHE154

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues35
DetailsDomain: {"description":"EF-hand 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues35
DetailsDomain: {"description":"EF-hand 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues35
DetailsDomain: {"description":"EF-hand 3","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues33
DetailsDomain: {"description":"EF-hand 4","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues18
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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