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2OPO

Crystal structure of the calcium-binding pollen allergen Che a 3

Replaces:  1PMZ
Functional Information from GO Data
ChainGOidnamespacecontents
A0005509molecular_functioncalcium ion binding
A0043226cellular_componentorganelle
A0046872molecular_functionmetal ion binding
B0005509molecular_functioncalcium ion binding
B0043226cellular_componentorganelle
B0046872molecular_functionmetal ion binding
C0005509molecular_functioncalcium ion binding
C0043226cellular_componentorganelle
C0046872molecular_functionmetal ion binding
D0005509molecular_functioncalcium ion binding
D0043226cellular_componentorganelle
D0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 301
ChainResidue
AASP21
AASN23
AASP25
ALYS27
AGLU32
AHOH303

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 302
ChainResidue
APHE62
AGLU67
AHOH304
AASP56
AASP58
AASP60

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B 303
ChainResidue
BASP21
BASN23
BASP25
BLYS27
BGLU32
BHOH405

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B 304
ChainResidue
BASP56
BASP58
BASP60
BPHE62
BGLU67
BHOH406

site_idAC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 B 401
ChainResidue
AARG50
BARG49
BARG50

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 B 404
ChainResidue
ATHR6
AASP9
AARG13
BARG73
BARG76
DLYS38

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA C 305
ChainResidue
CASP21
CASN23
CASP25
CLYS27
CGLU32
CHOH404

site_idAC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA C 306
ChainResidue
CASP56
CASP58
CASP60
CPHE62
CGLU67
CHOH405

site_idAC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 C 402
ChainResidue
CASP58
CSER64
CASP66
CHOH407
CHOH440
CHOH488

site_idBC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 C 403
ChainResidue
CARG15
CARG19
CHOH406
CHOH435
CHOH455
DHOH327

site_idBC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA D 307
ChainResidue
DASP21
DASN23
DASP25
DLYS27
DGLU32
DHOH309

site_idBC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA D 308
ChainResidue
DASP56
DASP58
DASP60
DPHE62
DGLU67
DHOH310

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DTNGDGKISssEL
ChainResidueDetails
AASP21-LEU33
AASP56-PHE68

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues140
DetailsDomain: {"description":"EF-hand 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues140
DetailsDomain: {"description":"EF-hand 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues36
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00448","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"18250440","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2OPO","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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