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4XWG

Crystal Structure of LCAT (C31Y) in complex with Fab1

Functional Information from GO Data
ChainGOidnamespacecontents
A0003847molecular_function1-alkyl-2-acetylglycerophosphocholine esterase activity
A0004607molecular_functionphosphatidylcholine-sterol O-acyltransferase activity
A0004623molecular_functionphospholipase A2 activity
A0004771molecular_functionsterol ester esterase activity
A0005515molecular_functionprotein binding
A0005576cellular_componentextracellular region
A0005615cellular_componentextracellular space
A0006629biological_processlipid metabolic process
A0006644biological_processphospholipid metabolic process
A0006656biological_processphosphatidylcholine biosynthetic process
A0008202biological_processsteroid metabolic process
A0008203biological_processcholesterol metabolic process
A0008374molecular_functionO-acyltransferase activity
A0016740molecular_functiontransferase activity
A0016746molecular_functionacyltransferase activity
A0016787molecular_functionhydrolase activity
A0030301biological_processcholesterol transport
A0034186molecular_functionapolipoprotein A-I binding
A0034364cellular_componenthigh-density lipoprotein particle
A0034372biological_processvery-low-density lipoprotein particle remodeling
A0034375biological_processhigh-density lipoprotein particle remodeling
A0034435biological_processobsolete cholesterol esterification
A0042157biological_processlipoprotein metabolic process
A0042158biological_processlipoprotein biosynthetic process
A0042632biological_processcholesterol homeostasis
A0043691biological_processreverse cholesterol transport
A0046222biological_processaflatoxin metabolic process
A0046470biological_processphosphatidylcholine metabolic process
A0046688biological_processresponse to copper ion
A0047179molecular_functionplatelet-activating factor acetyltransferase activity
A0051384biological_processresponse to glucocorticoid
A0070062cellular_componentextracellular exosome
A0090107biological_processregulation of high-density lipoprotein particle assembly
Functional Information from PROSITE/UniProt
site_idPS00120
Number of Residues10
DetailsLIPASE_SER Lipases, serine active site. VFLIGHSLGC
ChainResidueDetails
AVAL175-CYS184

site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YICNVNH
ChainResidueDetails
HTYR207-HIS213
LTYR192-HIS198

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Nucleophile => ECO:0000305|PubMed:26195816
ChainResidueDetails
ASER181

site_idSWS_FT_FI2
Number of Residues2
DetailsACT_SITE: Charge relay system => ECO:0000305|PubMed:26195816
ChainResidueDetails
AASP345
AHIS377

site_idSWS_FT_FI3
Number of Residues1
DetailsSITE: Determinant for substrate specificity => ECO:0000305|PubMed:14636062
ChainResidueDetails
AGLU149

site_idSWS_FT_FI4
Number of Residues1
DetailsCARBOHYD: N-linked (GlcNAc...) (complex) asparagine => ECO:0000269|PubMed:16335952, ECO:0000269|PubMed:7613477
ChainResidueDetails
AASN20

site_idSWS_FT_FI5
Number of Residues2
DetailsCARBOHYD: N-linked (GlcNAc...) (complex) asparagine => ECO:0000269|PubMed:26195816, ECO:0000269|PubMed:7613477, ECO:0007744|PDB:4X96
ChainResidueDetails
AASN84
AASN384

site_idSWS_FT_FI6
Number of Residues1
DetailsCARBOHYD: N-linked (GlcNAc...) (complex) asparagine => ECO:0000269|PubMed:16335952, ECO:0000269|PubMed:26195816, ECO:0000269|PubMed:7613477, ECO:0007744|PDB:4X96
ChainResidueDetails
AASN272

site_idSWS_FT_FI7
Number of Residues1
DetailsCARBOHYD: O-linked (GalNAc...) threonine => ECO:0000269|PubMed:7613477
ChainResidueDetails
ATHR407

site_idSWS_FT_FI8
Number of Residues1
DetailsCARBOHYD: O-linked (GalNAc...) serine => ECO:0000269|PubMed:7613477
ChainResidueDetails
ASER409

237423

PDB entries from 2025-06-11

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