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2TN4

FOUR CALCIUM TNC

Functional Information from GO Data
ChainGOidnamespacecontents
A0005509molecular_functioncalcium ion binding
A0016460cellular_componentmyosin II complex
A0031014molecular_functiontroponin T binding
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 160
ChainResidue
AASP27
AASP29
AASP33
AGLU38
AHOH173
AHOH221

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 161
ChainResidue
ATHR69
AGLU74
AHOH188
AASP63
AASP65
ASER67

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 162
ChainResidue
AASP103
AASN105
AASP107
ATYR109
AGLU114
AHOH232

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 163
ChainResidue
AASP139
AASN141
AASP143
AARG145
AGLU150
AHOH175

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA A 164
ChainResidue
AGLU60
AGLU124
AHIS125
AHOH216

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 165
ChainResidue
ATHR49
AGLU73
AHOH169
AHOH172
AHOH233
AHOH237

site_idAC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 166
ChainResidue
AASP56
AGLU60
AGLU124
AHOH191
AHOH195

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DADGGGDISvkEL
ChainResidueDetails
AASP27-LEU39
AASP63-PHE75
AASP103-LEU115
AASP139-PHE151

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 Residues19
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"N-acetylthreonine","evidences":[{"source":"PubMed","id":"893419","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246333

PDB entries from 2025-12-17

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