SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO07376  Validated by peptides from experiments
Pre Gene Modal
BGIBMGA004956
Annotation
L-isoaspartyl_protein_carboxyl_methyltransferase_[Bombyx_mori]
Full name
Protein-L-isoaspartate O-methyltransferase       + More
Protein-L-isoaspartate(D-aspartate) O-methyltransferase      
Alternative Name
L-isoaspartyl protein carboxyl methyltransferase
Protein L-isoaspartyl/D-aspartyl methyltransferase
Protein-beta-aspartate methyltransferase
Location in the cell
Cytoplasmic   Reliability : 1.599 Mitochondrial   Reliability : 1.344
 

Sequence

CDS
ATGGCATGGAGAAGCCACGGAGCAAATAATGTGGACCTAATACGTAATTTAAGAACTAACGGCATAATAAAATCGGACACCGTCGCAAATGCAATGCTAGCTGTTGATCGGAAAAATTACTGTCCTTCTTCTCCATACCAGGACTCTCCTCAATCTATTGGATTCTCTGCAACAATCAGCGCTCCCCACATGCATGCTCATGCATTAGAAAAGTTAAAAAACCAGCTAGTACCAGGAGAAAAAGCTTTAGATGTTGGTTCGGGGTCTGGTTACCTCACTGCCTGTATGGCCATGATGTTAGGAGAAACTGGCCGGGTAGTTGGGATAGAACATATATCAGAACTTGTGAATTTGGCAACCAAAAACATCCAAAATGACAACCCAAGCTTACTCTCATCTGAGAGGATTAAACTTGTAGTTGGTGATGGTCGTCTCGGTTATCCATCTGAAGCCCCTTACAGTGCAATTCATGTCGGGGCTGCAGCACCCACATTACCACAAGCTCTAATTGATCAATTGAAACCGGGAGGGAGGCTAATAGTTCCTGTAGGGCCTGAGGGTGGTGAACAACATTTGACTCAGGTAAGATTTGATTTTGGTATAATTATACAATTACAATGA
Protein
MAWRSHGANNVDLIRNLRTNGIIKSDTVANAMLAVDRKNYCPSSPYQDSPQSIGFSATISAPHMHAHALEKLKNQLVPGEKALDVGSGSGYLTACMAMMLGETGRVVGIEHISELVNLATKNIQNDNPSLLSSERIKLVVGDGRLGYPSEAPYSAIHVGAAAPTLPQALIDQLKPGGRLIVPVGPEGGEQHLTQVRFDFGIIIQLQ

Summary

Description
Catalyzes the methyl esterification of L-isoaspartyl and D-aspartyl residues in peptides and proteins that result from spontaneous decomposition of normal L-aspartyl and L-asparaginyl residues. It plays a role in the repair and/or degradation of damaged proteins. Acts on EIF4EBP2, microtubule-associated protein 2, calreticulin, clathrin light chains a and b, Ubiquitin carboxyl-terminal hydrolase isozyme L1, phosphatidylethanolamine-binding protein 1, stathmin, beta-synuclein and alpha-synuclein.
Catalytic Activity
[protein]-L-beta-isoaspartate + S-adenosyl-L-methionine = [protein]-L-beta-isoaspartate alpha-methyl ester + S-adenosyl-L-homocysteine
Subunit
Monomer.
Similarity
Belongs to the methyltransferase superfamily. L-isoaspartyl/D-aspartyl protein methyltransferase family.
Keywords
Acetylation   Alternative splicing   Complete proteome   Cytoplasm   Direct protein sequencing   Methyltransferase   Reference proteome   S-adenosyl-L-methionine   Transferase   3D-structure   Disulfide bond   Polymorphism  
Feature
chain  Protein-L-isoaspartate O-methyltransferase
splice variant  In isoform 2.
sequence variant  In dbSNP:rs4816.
EC Number
2.1.1.77
EMBL
BABH01029870    DQ311369    ABD36313.1    ODYU01003476    SOQ42316.1    NWSH01006888    + More
PCG63197.1    GAIX01012050    JAA80510.1    AGBW02010564    OWR48284.1    KQ460845    KPJ12026.1    KQ459592    KPI96767.1    LJIG01022645    KRT79467.1    DS235354    EEB15115.1    GECU01029470    JAS78236.1    GEBQ01016826    GEBQ01000775    JAT23151.1    JAT39202.1    GFAC01001880    JAT97308.1    GECZ01021345    JAS48424.1    GG666479    EEN66035.1    GBBK01001542    JAC22940.1    GACK01008784    JAA56250.1    GEZM01059723    JAV71387.1    KQ971338    EFA01639.1    AAGJ04105232    AAGJ04105233    AAGJ04105234    AAGJ04105235    AAGJ04105236    KK117123    KFM69612.1    JL616274    AEH58481.1    GFTR01003832    JAW12594.1    AK006162    CH466562    BAB24438.1    EDL03548.1    M60320    M84684    BC049613    BC058966    S72473    GDRN01085237    JAI61361.1    QCYY01001513    ROT77524.1    GEDC01026514    GEDC01010110    GEDC01003382    JAS10784.1    JAS27188.1    JAS33916.1    AC156391    AHZZ02025580    AHZZ02025581    JSUE03031939    JSUE03031940    M93008    M93009    D25545    D25546    D25547    D13892    AK289724    AL355312    CH471051    BC007501    BC008748    U49740    S73902    S73903    S73905    KE667778    ERE84887.1    BT057898    ACM09770.1    GDRN01085238    JAI61360.1    AYCK01008755    GQ891314    ADO22176.1    M26686    D11475    BC088417    NEVH01006721    PNF37302.1    GEDC01024979    GEDC01023933    GEDC01003121    JAS12319.1    JAS13365.1    JAS34177.1    AQIA01050235    AQIA01050236    ADFV01166511    ADFV01166512    ADFV01166513    ADFV01166514    ADFV01166515    ADFV01166516    ADFV01166517    ADFV01166518    ADFV01166519    AACZ04054481    GEDC01025557    GEDC01016265    GEDC01015593    GEDC01004460    JAS11741.1    JAS21033.1    JAS21705.1    JAS32838.1    JU327283    JU327284    AFE71039.1    AB169573    AAKN02044027    AAKN02044028    AAKN02044029    AAKN02044030    AK306486    BAK63480.1    GBSH01002007    JAG67019.1    JU174313    AFJ49839.1    AAPN01156880    AAPN01156881    AAPN01156882    AAPN01156883    AAPN01156884    AAPN01156885    AAPN01156886    FR904489    CDQ64975.1    JH290635    EHH25493.1    KK852870    KDR14599.1    AAWZ02022540    NDHI03003369    PNJ78963.1    GABC01009986    GABF01007897    GABD01006991    NBAG03000210    JAA01352.1    JAA14248.1    JAA26109.1    PNI86793.1    PNI86792.1    AQIB01120769    AQIB01120770    AQIB01120771    AQIB01120772    AQIB01120773    AQIB01120774    AQIB01120775    AQIB01120776    AQIB01120777    AQIB01120778    AB170294    BAE87357.1    AANG04000169    AAPE02018693    AAPE02018694    PNJ78961.1    ABLF02040061   
Interpro
IPR000682   PCMT        + More
IPR029063   SAM-dependent_MTases       
SUPFAM
SSF53335   SSF53335       
PDB
1KR5     E-value=1.68546e-71,     Score=681

Ontologies

Topology

Subcellular location
Cytoplasm  
Length:
206
Number of predicted TMHs:
0
Exp number of AAs in TMHs:
0.04444
Exp number, first 60 AAs:
0.00127
Total prob of N-in:
0.19568
outside
1  -  206
 
 

Population Genetic Test Statistics

Pi
27.708856
Theta
22.874215
Tajima's D
0.648267
CLR
0.174038
CSRT
0.56367181640918
Interpretation
Uncertain
Peptides ×
Source Sequence Identity Evalue
28556443 NIQNDNPSLLSSER 100.00 5e-04
28556443 VYVGGLVEGIK 100.00 0.005
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