SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO06418
Pre Gene Modal
BGIBMGA011952
Annotation
PREDICTED:_1-acylglycerophosphocholine_O-acyltransferase_1_isoform_X2_[Bombyx_mori]
Full name
Lysophosphatidylcholine acyltransferase 1      
Alternative Name
1-acylglycerophosphocholine O-acyltransferase
1-alkylglycerophosphocholine O-acetyltransferase
Acetyl-CoA:lyso-platelet-activating factor acetyltransferase
Acyltransferase-like 2
Location in the cell
Cytoplasmic   Reliability : 1.012 Extracellular   Reliability : 1.358
 

Sequence

CDS
ATGTGTGTAGAAGACCTAAAGCTTCATATAAAATACAGCAATGCAAACCACACAACCATACTACTCTCATTCCCTTTGTTAAATGTAAGAAATATTTCTAGAAGCCTCACGAGGCGGCTTAATGTCCTAATATTCCCTGAAGGCACATGCACGAATCGCTCCTGTCTCATCACGTTCAAGCCTGGAGGCTTCTACCCAGGAGTTCCAGTGCAGCCCGTCACCATCAGATACCCGAATGCCAGGGACACGGTTACCTGGACGTGGGAAGGACCCGGGGCTTTAAAGCTGCTTTGGCTGACTCTGACACAAGTACACAGCTCGTGTGAGATTGAGTTCTTGCCTGTATACTATCCGAGTGAAGAGGAGAAGCGAGATCCGAAACTGTATGCGAGGAATGTTCGAGATGTTATGGCTAAAGCCCTAGGAGTTCCAGTATTAGATTATACTTACGACGACTGCCGGCTGATTGCTAGAGCCAAGAATCTGGGTATACCAGGAGCTCCGTGTGCCAGGGAGGTCAGCGAGCTAAGAGCTGCTCTTGGCCTAGAGAGGTCCCAACTAGAGCTGCACCTAGCTGCCCAGGGACTGCAGGATAGGGCTCGTTGGCTCACGGCTGAGGAGTTCTGCCAGAGGCTCGGGGTGCCTAACGATCAAAAGACGCAGAGGCTATTTGAAATATTTGTCCAGAGGTCCAGTGGCCTGGTGTACTTTCCCGACTATCTACTGTGCGCCGTCTTCCTCTCCCTCCAGCAGGCGCCGCTATCTAAAGTGCTCAATTACGCTTGGAAGTTGTACGACACTGGTCGGACCGGGAGACTCAACTCTGCCGGCTTCGAAGAGGTGACCGGCAAATGTCTTGGACTGTGTCAGCAAGATGCCAGCAACACGTTCCACCAGGCCGACCTGGACGAGAAGGGATATTTGACTTACGATGAATTCATATCGTTCGCTCAGAAACGCTCAGAATTCTCTTTCGTTTTCACCACCGACGGAGCTCACAAGCCGAAGGCGCAGTGA
Protein
MCVEDLKLHIKYSNANHTTILLSFPLLNVRNISRSLTRRLNVLIFPEGTCTNRSCLITFKPGGFYPGVPVQPVTIRYPNARDTVTWTWEGPGALKLLWLTLTQVHSSCEIEFLPVYYPSEEEKRDPKLYARNVRDVMAKALGVPVLDYTYDDCRLIARAKNLGIPGAPCAREVSELRAALGLERSQLELHLAAQGLQDRARWLTAEEFCQRLGVPNDQKTQRLFEIFVQRSSGLVYFPDYLLCAVFLSLQQAPLSKVLNYAWKLYDTGRTGRLNSAGFEEVTGKCLGLCQQDASNTFHQADLDEKGYLTYDEFISFAQKRSEFSFVFTTDGAHKPKAQ

Summary

Description
Possesses both acyltransferase and acetyltransferase activities (PubMed:16704971). Activity is calcium-independent (PubMed:18285344). Mediates the conversion of 1-acyl-sn-glycero-3-phosphocholine (LPC) into phosphatidylcholine (PC) (PubMed:16704971, PubMed:18156367). Displays a clear preference for saturated fatty acyl-CoAs, and 1-myristoyl or 1-palmitoyl LPC as acyl donors and acceptors, respectively (PubMed:16704971, PubMed:18285344). May synthesize phosphatidylcholine in pulmonary surfactant, thereby playing a pivotal role in respiratory physiology (PubMed:16704971). Involved in the regulation of lipid droplet number and size (By similarity).
Catalytic Activity
a 1-acyl-sn-glycero-3-phosphocholine + an acyl-CoA = a 1,2-diacyl-sn-glycero-3-phosphocholine + CoA
1-O-alkyl-sn-glycero-3-phosphocholine + acetyl-CoA = 1-O-alkyl-2-acetyl-sn-glycero-3-phosphocholine + CoA
Biophysicochemical Properties
2.3 uM for 1-palmitoyl-LPC
3 uM for palmitoyl-CoA
Similarity
Belongs to the 1-acyl-sn-glycerol-3-phosphate acyltransferase family.
Keywords
Acyltransferase   Alternative splicing   Calcium   Complete proteome   Endoplasmic reticulum   Golgi apparatus   Lipid biosynthesis   Lipid droplet   Lipid metabolism   Membrane   Metal-binding   Phospholipid biosynthesis   Phospholipid metabolism   Reference proteome   Repeat   Signal-anchor   Transferase   Transmembrane   Transmembrane helix  
Feature
chain  Lysophosphatidylcholine acyltransferase 1
splice variant  In isoform 3.
EC Number
2.3.1.23
EMBL
NWSH01000065    PCG80022.1    PCG80023.1    ODYU01001153    SOQ36961.1    AGBW02012788    + More
OWR44440.1    KQ459590    KPI97169.1    KQ971319    EFA00469.2    KYB28832.1    NEVH01022635    PNF18733.1    GEZM01010839    JAV93783.1    GFDF01002500    JAV11584.1    DS235281    EEB14333.1    UFQT01000555    SSX25240.1    GFDL01002300    JAV32745.1    GFDL01002299    JAV32746.1    JXUM01034557    JXUM01034558    JXUM01034559    KQ561028    KXJ79975.1    SSX25239.1    KK857094    PTY26814.1    JXUM01097346    JXUM01097347    JXUM01097348    JXUM01097349    JXUM01097350    JXUM01097351    JXUM01097352    JXUM01097353    JXUM01097354    JXUM01097355    KQ564336    KXJ72411.1    AJVK01064622    CH477218    EAT47420.1    UFQT01004423    SSX35686.1    KB632148    ERL89104.1    GBBI01001067    JAC17645.1    KB202284    ESO91104.1    GECZ01014698    JAS55071.1    GECZ01025881    JAS43888.1    GEBQ01014020    JAT25957.1    KK719225    KFO62096.1    KK434029    KFQ89732.1    KL412413    KFW73938.1    GEDC01017149    GEDC01008980    JAS20149.1    JAS28318.1    KL360901    KFZ65339.1    AAZX01001307    AAZX01004295    GGFK01009506    MBW42827.1    ACPB03006856    GAHY01002372    JAA75138.1    KQ761738    OAD57132.1    KQ414669    KOC64511.1    KL215849    KFV66956.1    KZ505694    PKU46927.1    KL323181    KFP55335.1    AEMK02000102    DQIR01112214    HDA67690.1    KL225406    KFW71645.1    GL445914    EFN88828.1    KK475593    KFQ58898.1    KL447126    KFO70075.1    GEDC01013376    JAS23922.1    KQ434938    KZC12141.1    KK607674    KFW10087.1    ABQF01022878    ABQF01022879    KK799762    KFQ27899.1    GGFK01008031    MBW41352.1    NNAY01000544    OXU27771.1    GGFM01004153    MBW24904.1    JH431850    KK501805    KFP18060.1    KQ435732    KOX77452.1    KB748326    EOA93147.1    KK676942    KFQ09676.1    KL217809    KFO98939.1    AADN05000026    GL437442    EFN70456.1    LMAW01001792    KQK82620.1    KK737898    KFP37704.1    AAMC01019412    AAMC01019413    AAMC01019414    QOIP01000010    RLU17827.1    MUZQ01000018    OWK63000.1    KK929257    KFQ44377.1    KQ978023    KYM97919.1    KL886754    KGL74170.1    KL410602    KFQ97607.1    ADMH02000151    ETN67592.1    AGTO01001914    AKCR02000001    PKK34155.1    AB244717    AK046079    AK046507    AK081865    AK155286    AK169190    AK170723    AK171582    BC005662    BC066809    KL226084    KFM08168.1    ADTU01013177    ADTU01013178   
Pfam
PF01553   Acyltransferase        + More
PF13833   EF-hand_8
PF13499   EF-hand_7
PF13202   EF-hand_5
Interpro
IPR002123   Plipid/glycerol_acylTrfase        + More
IPR002048   EF_hand_dom       
IPR011992   EF-hand-dom_pair       
IPR018247   EF_Hand_1_Ca_BS       
SUPFAM
SSF47473   SSF47473       
PDB
2JU0     E-value=0.00340188,     Score=95

Ontologies

Topology

Subcellular location
Endoplasmic reticulum membrane   May adopt a monotopic topology when embedded in the lipid monolayer of the lipid droplet, with both termini exposed to the cytoplasm.   With evidence from 3 publications.
Golgi apparatus membrane   May adopt a monotopic topology when embedded in the lipid monolayer of the lipid droplet, with both termini exposed to the cytoplasm.   With evidence from 3 publications.
Lipid droplet   May adopt a monotopic topology when embedded in the lipid monolayer of the lipid droplet, with both termini exposed to the cytoplasm.   With evidence from 3 publications.
Length:
338
Number of predicted TMHs:
0
Exp number of AAs in TMHs:
0.572
Exp number, first 60 AAs:
0.25149
Total prob of N-in:
0.02441
outside
1  -  338
 
 

Population Genetic Test Statistics

Pi
243.067871
Theta
185.026142
Tajima's D
0.01489
CLR
421.813623
CSRT
0.374531273436328
Interpretation
Uncertain
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