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4MDV

Crystal structure of calcium-bound annexin (Sm)1

Functional Information from GO Data
ChainGOidnamespacecontents
A0001786molecular_functionphosphatidylserine binding
A0005509molecular_functioncalcium ion binding
A0005544molecular_functioncalcium-dependent phospholipid binding
A0005576cellular_componentextracellular region
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0005886cellular_componentplasma membrane
A0007292biological_processfemale gamete generation
A0012506cellular_componentvesicle membrane
A0016020cellular_componentmembrane
A0042802molecular_functionidentical protein binding
A0042803molecular_functionprotein homodimerization activity
A0043657cellular_componenthost cell
A0046872molecular_functionmetal ion binding
A0061025biological_processmembrane fusion
A0070062cellular_componentextracellular exosome
B0001786molecular_functionphosphatidylserine binding
B0005509molecular_functioncalcium ion binding
B0005544molecular_functioncalcium-dependent phospholipid binding
B0005576cellular_componentextracellular region
B0005634cellular_componentnucleus
B0005737cellular_componentcytoplasm
B0005886cellular_componentplasma membrane
B0007292biological_processfemale gamete generation
B0012506cellular_componentvesicle membrane
B0016020cellular_componentmembrane
B0042802molecular_functionidentical protein binding
B0042803molecular_functionprotein homodimerization activity
B0043657cellular_componenthost cell
B0046872molecular_functionmetal ion binding
B0061025biological_processmembrane fusion
B0070062cellular_componentextracellular exosome
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 401
ChainResidue
AMET49
AGLY51
AGLY53
ATHR54
AASP93
AHOH540

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 402
ChainResidue
AGLU173
AHOH538
AMET121
AGLY123
AGLY125

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA A 403
ChainResidue
ALYS171
ATHR174
AGLU179

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA A 404
ChainResidue
AMET302
AGLY304
ALEU305
AASP346

site_idAC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA A 405
ChainResidue
AGLY306
AASP346
AHOH506

site_idAC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CA A 406
ChainResidue
ATHR54
AGLU56

site_idAC7
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA B 401
ChainResidue
AASP128
AASP275
AHOH502
AHOH519
AHOH552
BASP275
BCA405

site_idAC8
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA B 402
ChainResidue
BMET49
BGLY51
BGLY53
BASP93
BHOH552

site_idAC9
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA B 403
ChainResidue
AHOH556
BMET121
BGLY123
BGLY125
BGLU173

site_idBC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA B 404
ChainResidue
BLYS171
BTHR174
BGLU179
BHOH535
BHOH550

site_idBC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B 405
ChainResidue
AASP275
BASP128
BASP275
BCA401
BHOH501
BHOH533

site_idBC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CA B 406
ChainResidue
BMET302
BASP346

site_idBC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CA B 407
ChainResidue
BGLY306
BASP309
BASP346

Functional Information from PROSITE/UniProt
site_idPS00223
Number of Residues53
DetailsANNEXIN_1 Annexin repeat signature. GTnelaiiniLarRtnyErqEicqsYkslykqdLkddLksdtsGdfrkvLcqL
ChainResidueDetails
AGLY53-LEU105
AGLY231-VAL283
AGLY306-LEU358

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues142
DetailsRepeat: {"description":"Annexin 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU01245","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues158
DetailsRepeat: {"description":"Annexin 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU01245","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues142
DetailsRepeat: {"description":"Annexin 4","evidences":[{"source":"PROSITE-ProRule","id":"PRU01245","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues40
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"24428567","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4MDV","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

239149

PDB entries from 2025-07-23

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