ID V6U218_GIAIN Unreviewed; 264 AA.
AC V6U218;
DT 19-FEB-2014, integrated into UniProtKB/TrEMBL.
DT 19-FEB-2014, sequence version 1.
DT 27-MAR-2024, entry version 30.
DE RecName: Full=Alpha N-terminal protein methyltransferase 1 {ECO:0000256|ARBA:ARBA00039449};
DE EC=2.1.1.244 {ECO:0000256|ARBA:ARBA00039112};
DE AltName: Full=X-Pro-Lys N-terminal protein methyltransferase 1 {ECO:0000256|ARBA:ARBA00043129};
GN ORFNames=GSB_12215 {ECO:0000313|EMBL:ESU44909.1};
OS Giardia intestinalis (Giardia lamblia).
OC Eukaryota; Metamonada; Diplomonadida; Hexamitidae; Giardiinae; Giardia.
OX NCBI_TaxID=5741 {ECO:0000313|EMBL:ESU44909.1, ECO:0000313|Proteomes:UP000018040};
RN [1] {ECO:0000313|Proteomes:UP000018040}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=GS {ECO:0000313|Proteomes:UP000018040};
RA Adam R., Dahlstrom E., Martens C., Bruno D., Barbian K., Porcella S.F.,
RA Nash T.;
RT "Genome sequencing of Giardia lamblia Genotypes A2 and B isolates (DH and
RT GS) and comparative analysis with the genomes of Genotypes A1 and E (WB and
RT Pig).";
RL Submitted (FEB-2012) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ESU44909.1, ECO:0000313|Proteomes:UP000018040}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=GS {ECO:0000313|EMBL:ESU44909.1,
RC ECO:0000313|Proteomes:UP000018040};
RX PubMed=24307482; DOI=10.1093/gbe/evt197;
RA Adam R.D., Dahlstrom E.W., Martens C.A., Bruno D.P., Barbian K.D.,
RA Ricklefs S.M., Hernandez M.M., Narla N.P., Patel R.B., Porcella S.F.,
RA Nash T.E.;
RT "Genome sequencing of Giardia lamblia genotypes A2 and B isolates (DH and
RT GS) and comparative analysis with the genomes of genotypes A1 and E (WB and
RT Pig).";
RL Genome Biol. Evol. 5:2498-2511(2013).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=N-terminal L-alanyl-L-prolyl-L-lysyl-[protein] + 3 S-adenosyl-
CC L-methionine = 3 H(+) + N-terminal N,N,N-trimethyl-L-alanyl-L-prolyl-
CC L-lysyl-[protein] + 3 S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:54712, Rhea:RHEA-COMP:13785, Rhea:RHEA-COMP:13971,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:138057, ChEBI:CHEBI:138315; EC=2.1.1.244;
CC Evidence={ECO:0000256|ARBA:ARBA00035913};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=N-terminal L-prolyl-L-prolyl-L-lysyl-[protein] + 2 S-adenosyl-
CC L-methionine = 2 H(+) + N-terminal N,N-dimethyl-L-prolyl-L-prolyl-L-
CC lysyl-[protein] + 2 S-adenosyl-L-homocysteine; Xref=Rhea:RHEA:54736,
CC Rhea:RHEA-COMP:13787, Rhea:RHEA-COMP:13974, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:57856, ChEBI:CHEBI:59789, ChEBI:CHEBI:138059,
CC ChEBI:CHEBI:138318; EC=2.1.1.244;
CC Evidence={ECO:0000256|ARBA:ARBA00036157};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=N-terminal L-seryl-L-prolyl-L-lysyl-[protein] + 3 S-adenosyl-
CC L-methionine = 3 H(+) + N-terminal N,N,N-trimethyl-L-seryl-L-prolyl-
CC L-lysyl-[protein] + 3 S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:54724, Rhea:RHEA-COMP:13789, Rhea:RHEA-COMP:13973,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:138061, ChEBI:CHEBI:138317; EC=2.1.1.244;
CC Evidence={ECO:0000256|ARBA:ARBA00036171};
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily. NTM1 family.
CC {ECO:0000256|ARBA:ARBA00009059}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:ESU44909.1}.
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DR EMBL; AHHH01000014; ESU44909.1; -; Genomic_DNA.
DR AlphaFoldDB; V6U218; -.
DR EnsemblProtists; ESU44909; ESU44909; GSB_12215.
DR VEuPathDB; GiardiaDB:DHA2_12215; -.
DR VEuPathDB; GiardiaDB:GL50581_3408; -.
DR VEuPathDB; GiardiaDB:GL50803_0012215; -.
DR VEuPathDB; GiardiaDB:QR46_0565; -.
DR Proteomes; UP000018040; Unassembled WGS sequence.
DR GO; GO:0008168; F:methyltransferase activity; IEA:UniProtKB-KW.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR InterPro; IPR008576; MeTrfase_NTM1.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR PANTHER; PTHR12753; AD-003 - RELATED; 1.
DR PANTHER; PTHR12753:SF0; ALPHA N-TERMINAL PROTEIN METHYLTRANSFERASE 1; 1.
DR Pfam; PF05891; Methyltransf_PK; 1.
DR PIRSF; PIRSF016958; DUF858_MeTrfase_lik; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
PE 3: Inferred from homology;
KW Methyltransferase {ECO:0000313|EMBL:ESU44909.1};
KW S-adenosyl-L-methionine {ECO:0000256|PIRSR:PIRSR016958-1};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000313|EMBL:ESU44909.1}.
FT BINDING 92
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PIRSR:PIRSR016958-1"
FT BINDING 97
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PIRSR:PIRSR016958-1"
FT BINDING 140..141
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PIRSR:PIRSR016958-1"
FT BINDING 161
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|PIRSR:PIRSR016958-1"
SQ SEQUENCE 264 AA; 30240 MW; 173E84EB52866F3B CRC64;
MTEEPLHAFG DMIGVTSDNK ELEYRQIINM MSTPDWYGSC SMWYSSLVEP TIDGMLGGLS
YVHKDEVEWS KLRLKQLAAN ETIKTGSCLD CGGGIGRVSH YVLKPVFQHV DMVEGCELFV
QTSTTNFAKD SIRTRYNLEL QDTERLQRHL DGTKYDVVFL QWVIGHLTDR DVLRFLKFAK
DHLLVSSTGR IIMKENCIIS EGFFLDKEDI NLIRSLDMIK ELCVRAGLTI ISIDEQPTWP
SNLYPIRFLV LEPATSKQID QKFT
//
