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

1XXS

Structural insights for fatty acid binding in a Lys49 phospholipase A2: crystal structure of myotoxin II from Bothrops moojeni complexed with stearic acid

Functional Information from GO Data
ChainGOidnamespacecontents
A0004623molecular_functionA2-type glycerophospholipase activity
A0005509molecular_functioncalcium ion binding
A0005543molecular_functionphospholipid binding
A0005576cellular_componentextracellular region
A0006644biological_processphospholipid metabolic process
A0016042biological_processlipid catabolic process
A0042130biological_processnegative regulation of T cell proliferation
A0050482biological_processarachidonate secretion
B0004623molecular_functionA2-type glycerophospholipase activity
B0005509molecular_functioncalcium ion binding
B0005543molecular_functionphospholipid binding
B0005576cellular_componentextracellular region
B0006644biological_processphospholipid metabolic process
B0016042biological_processlipid catabolic process
B0042130biological_processnegative regulation of T cell proliferation
B0050482biological_processarachidonate secretion
Functional Information from PDB Data
site_idAC1
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 B 301
ChainResidue
BARG34
BLYS53

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 302
ChainResidue
ALYS116
ATYR117
BLYS116
BTYR117

site_idAC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 B 303
ChainResidue
BASN17
BLYS20

site_idAC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 304
ChainResidue
ALYS20
AASN17

site_idAC5
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 305
ChainResidue
AGLY33
AARG34
ALYS53

site_idAC6
Number of Residues11
DetailsBINDING SITE FOR RESIDUE STE A 201
ChainResidue
ALEU2
APHE3
APRO18
AASN28
ACYS29
AGLY30
ACYS45
AHIS48
ALYS49
ASTE202
BPRO125

site_idAC7
Number of Residues10
DetailsBINDING SITE FOR RESIDUE STE A 202
ChainResidue
AGLY30
AVAL31
ALYS49
ATYR52
ALYS69
ASTE201
BALA19
BGLY23
BVAL31
BSTE204

site_idAC8
Number of Residues8
DetailsBINDING SITE FOR RESIDUE STE B 203
ChainResidue
ATYR121
BTYR22
BASN28
BCYS29
BGLY30
BCYS45
BHIS48
BLYS49

site_idAC9
Number of Residues6
DetailsBINDING SITE FOR RESIDUE STE B 204
ChainResidue
ASTE202
BLEU2
BGLY30
BLYS49
BTYR52
BLYS69

site_idBC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE STE A 205
ChainResidue
ALYS7
ALEU10
AGLN11
ATYR75
ATRP77
BGLN11
BGLY15

site_idBC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE STE B 206
ChainResidue
ALEU10
AGLN11
AGLY15
BPHE3
BLYS7
BLEU10
BGLN11
BTYR75
BTRP77

Functional Information from PROSITE/UniProt
site_idPS00118
Number of Residues8
DetailsPA2_HIS Phospholipase A2 histidine active site. CCYvHKcC
ChainResidueDetails
ACYS44-CYS51

site_idPS00119
Number of Residues11
DetailsPA2_ASP Phospholipase A2 aspartic acid active site. LCECDKAVaIC
ChainResidueDetails
ALEU95-CYS105

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues26
DetailsRegion: {"description":"Important for membrane-damaging activities in eukaryotes and bacteria; heparin-binding","evidences":[{"source":"UniProtKB","id":"P24605","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsSite: {"description":"Cationic membrane-docking site (MDoS)","evidences":[{"source":"PubMed","id":"29287778","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsSite: {"description":"Important residue of the cationic membrane-docking site (MDoS)","evidences":[{"source":"UniProtKB","id":"I6L8L6","evidenceCode":"ECO:0000250"},{"source":"PubMed","id":"29287778","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsSite: {"description":"Hydrophobic membrane-disruption site (MDiS)","evidences":[{"source":"UniProtKB","id":"I6L8L6","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsSite: {"description":"Cationic membrane-docking site (MDoS)","evidences":[{"source":"UniProtKB","id":"I6L8L6","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1n29
ChainResidueDetails
AHIS48
AGLY30
AASP99

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1n29
ChainResidueDetails
BHIS48
BGLY30
BASP99

251422

PDB entries from 2026-04-01

PDB statisticsPDBj update infoContact PDBjnumon