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1V1G

Structure of the Arabidopsis thaliana SOS3 complexed with Calcium(II) ion

Functional Information from GO Data
ChainGOidnamespacecontents
A0004723molecular_functioncalcium-dependent protein serine/threonine phosphatase activity
A0005509molecular_functioncalcium ion binding
A0005513biological_processdetection of calcium ion
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0005886cellular_componentplasma membrane
A0005955cellular_componentcalcineurin complex
A0016020cellular_componentmembrane
A0019722biological_processcalcium-mediated signaling
A0019900molecular_functionkinase binding
A0030007biological_processintracellular potassium ion homeostasis
A0042539biological_processhypotonic salinity response
A0071472biological_processcellular response to salt stress
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A1208
ChainResidue
ASER47
AILE51
AASP53
ALEU55
AGLU60

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A1209
ChainResidue
AGLU95
AASP84
ALYS86
AASN88
AVAL90

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A1210
ChainResidue
AASP121
AARG123
ATHR125
APHE127
AGLU129
AGLU132

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A1211
ChainResidue
AASP165
ALYS167
AASP169
ALYS171
AGLU176
AHOH2036

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE IOD A1203
ChainResidue
ALYS86
AGLN163

site_idAC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE IOD A1205
ChainResidue
ASER27
ALYS178

site_idAC7
Number of Residues2
DetailsBINDING SITE FOR RESIDUE IOD A1206
ChainResidue
AARG15
APRO194

site_idAC8
Number of Residues1
DetailsBINDING SITE FOR RESIDUE IOD A1207
ChainResidue
ALYS114

site_idAC9
Number of Residues1
DetailsBINDING SITE FOR RESIDUE IOD A1214
ChainResidue
AASP21

site_idBC1
Number of Residues1
DetailsBINDING SITE FOR RESIDUE IOD A1215
ChainResidue
AMET152

site_idBC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MPD A1212
ChainResidue
AARG98
AGLU111
ALYS118
AARG166

site_idBC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MPD A1213
ChainResidue
ALEU148
AMET156
AASN184
AHOH2040

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues35
DetailsDomain: {"description":"EF-hand 1","evidences":[{"evidenceCode":"ECO:0000305"}]}
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 Residues35
DetailsDomain: {"description":"EF-hand 4","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsSite: {"description":"Involved in dimerization"}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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