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

1OSA

CRYSTAL STRUCTURE OF RECOMBINANT PARAMECIUM TETRAURELIA CALMODULIN AT 1.68 ANGSTROMS RESOLUTION

Functional Information from GO Data
ChainGOidnamespacecontents
A0005509molecular_functioncalcium ion binding
A0005515molecular_functionprotein binding
A0005737cellular_componentcytoplasm
A0030234molecular_functionenzyme regulator activity
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 149
ChainResidue
AASP20
AASP22
AASP24
ATHR26
AGLU31
AHOH153

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 150
ChainResidue
AASP56
AASP58
AASN60
ATHR62
AGLU67
AHOH157

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 151
ChainResidue
AASP93
AASP95
AASN97
ALEU99
AGLU104
AHOH189

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 152
ChainResidue
AASP129
AASP131
AASP133
AHIS135
AGLU140
AHOH181

site_idEF1
Number of Residues12
Details
ChainResidue
AASP20
ATHR29
ALYS30
AGLU31
ALYS21
AASP22
AGLY23
AASP24
AGLY25
ATHR26
AILE27
ATHR28

site_idEF2
Number of Residues12
Details
ChainResidue
AASP56
AALA57
AASP58
AGLY59
AASN60
AGLY61
ATHR62
AILE63
AASP64
APHE65
APRO66
AGLU67

site_idEF3
Number of Residues12
Details
ChainResidue
AASP93
AARG94
AASP95
AGLY96
AASN97
AGLY98
ALEU99
AILE100
ASER101
AALA102
AALA103
AGLU104

site_idEF4
Number of Residues12
Details
ChainResidue
AASP129
AILE130
AASP131
AGLY132
AASP133
AGLY134
AHIS135
AILE136
AASN137
ATYR138
AGLU139
AGLU140

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DKDGDGTITtkEL
ChainResidueDetails
AASP20-LEU32
AASP56-PHE68
AASP93-LEU105
AASP129-PHE141

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 Residues32
DetailsDomain: {"description":"EF-hand 4","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues19
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsModified residue: {"description":"N-acetylalanine","evidences":[{"source":"PubMed","id":"3100523","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsModified residue: {"description":"N6,N6-dimethyllysine","evidences":[{"source":"PubMed","id":"3100523","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsModified residue: {"description":"N6,N6,N6-trimethyllysine","evidences":[{"source":"PubMed","id":"3100523","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239149

PDB entries from 2025-07-23

PDB statisticsPDBj update infoContact PDBjnumon