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2NXQ

Crystal structure of calcium binding protein 1 from Entamoeba histolytica: a novel arrangement of EF hand motifs

Functional Information from GO Data
ChainGOidnamespacecontents
A0001891cellular_componentphagocytic cup
A0003779molecular_functionactin binding
A0003785molecular_functionactin monomer binding
A0005509molecular_functioncalcium ion binding
A0005737cellular_componentcytoplasm
A0006897biological_processendocytosis
A0006909biological_processphagocytosis
A0031143cellular_componentpseudopodium
A0032231biological_processregulation of actin filament bundle assembly
A0042995cellular_componentcell projection
A0045859biological_processregulation of protein kinase activity
A0046872molecular_functionmetal ion binding
A0050766biological_processpositive regulation of phagocytosis
A0051015molecular_functionactin filament binding
A1905303biological_processpositive regulation of macropinocytosis
B0001891cellular_componentphagocytic cup
B0003779molecular_functionactin binding
B0003785molecular_functionactin monomer binding
B0005509molecular_functioncalcium ion binding
B0005737cellular_componentcytoplasm
B0006897biological_processendocytosis
B0006909biological_processphagocytosis
B0031143cellular_componentpseudopodium
B0032231biological_processregulation of actin filament bundle assembly
B0042995cellular_componentcell projection
B0045859biological_processregulation of protein kinase activity
B0046872molecular_functionmetal ion binding
B0050766biological_processpositive regulation of phagocytosis
B0051015molecular_functionactin filament binding
B1905303biological_processpositive regulation of macropinocytosis
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 149
ChainResidue
AASP10
AASN12
AASP14
AALA16
AGLU21
AHOH215

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 150
ChainResidue
AGLU52
AGLU57
AHOH216
AASP46
AASP48
AASN50

site_idAC3
Number of Residues1
DetailsBINDING SITE FOR RESIDUE ACT A 201
ChainResidue
ATYR62

site_idAC4
Number of Residues1
DetailsBINDING SITE FOR RESIDUE ACT A 203
ChainResidue
ALYS33

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B 151
ChainResidue
BASP10
BASN12
BASP14
BALA16
BGLU21
BHOH222

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B 152
ChainResidue
BASP46
BASP48
BASN50
BGLU52
BGLU57
BHOH223

site_idAC7
Number of Residues1
DetailsBINDING SITE FOR RESIDUE ACT B 202
ChainResidue
BTYR62

site_idAC8
Number of Residues1
DetailsBINDING SITE FOR RESIDUE ACT B 205
ChainResidue
BVAL26

Functional Information from PROSITE/UniProt
site_idPS00018
Number of Residues13
DetailsEF_HAND_1 EF-hand calcium-binding domain. DVNGDGAVSyeEV
ChainResidueDetails
AASP10-VAL22
AASP46-PHE58
AASP85-VAL97
AASP117-PHE129

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues20
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11724551","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17554780","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20550906","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23782698","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22906057","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"1JFK","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2M7M","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2NXQ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3LI6","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3PX1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3QJK","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3ULG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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