Protein Info for PS417_12310 in Pseudomonas simiae WCS417

Annotation: methionine synthase

These analyses and tools can help you predict a protein's function, but be skeptical. For enzymes, over 10% of annotations from KEGG or SEED are probably incorrect. For other types of proteins, the error rates may be much higher. MetaCyc and Swiss-Prot have low error rates, but the best hits in these databases are often quite distant, so this protein's function may not be the same. TIGRFam has low error rates. Finally, many experimentally-characterized proteins are not in any of these databases. To find relevant papers, use PaperBLAST.

Protein Families and Features

1 100 200 300 400 500 600 700 800 900 1000 1100 1236 TIGR02082: methionine synthase" amino acids 15 to 1202 (1188 residues), 1756.5 bits, see alignment E=0 PF02574: S-methyl_trans" amino acids 20 to 328 (309 residues), 316.6 bits, see alignment E=5.6e-98 PF00809: Pterin_bind" amino acids 363 to 601 (239 residues), 201.2 bits, see alignment E=5.5e-63 PF02607: B12-binding_2" amino acids 661 to 733 (73 residues), 80.5 bits, see alignment 2e-26 PF02310: B12-binding" amino acids 749 to 843 (95 residues), 69.4 bits, see alignment 6.2e-23 PF02965: Met_synt_B12" amino acids 941 to 1218 (278 residues), 402.7 bits, see alignment E=2.1e-124

Best Hits

Swiss-Prot: 86% identical to METH_PSEAE: Methionine synthase (metH) from Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)

KEGG orthology group: K00548, 5-methyltetrahydrofolate--homocysteine methyltransferase [EC: 2.1.1.13] (inferred from 65% identity to abo:ABO_1324)

MetaCyc: 67% identical to cobalamin-dependent methionine synthase (Escherichia coli K-12 substr. MG1655)
Methionine synthase. [EC: 2.1.1.13]

Predicted SEED Role

"5-methyltetrahydrofolate--homocysteine methyltransferase (EC 2.1.1.13)" in subsystem Methionine Biosynthesis (EC 2.1.1.13)

MetaCyc Pathways

KEGG Metabolic Maps

Isozymes

No predicted isozymes

Use Curated BLAST to search for 2.1.1.13

Sequence Analysis Tools

PaperBLAST (search for papers about homologs of this protein)

Search CDD (the Conserved Domains Database, which includes COG and superfam)

Compare to protein structures

Predict protein localization: PSORTb (Gram-negative bacteria)

Predict transmembrane helices and signal peptides: Phobius

Check the current SEED with FIGfam search

Find homologs in fast.genomics or the ENIGMA genome browser

See A0A1N7UEP7 at UniProt or InterPro

Protein Sequence (1236 amino acids)

>PS417_12310 methionine synthase (Pseudomonas simiae WCS417)
MSDRSVRLQALHQALKERILILDGGMGTMIQSYKLEENDYRGKRFADWPSDVKGNNDLLV
ITRPDVIGGIEKAYLDAGADILETNTFNATRISMADYGMEALAFELNVEGARLARKIADA
KTAETPDKPRFVAGVLGPTSRTCSLSPDVNNPGYRNVTFDELVENYTEATKGLIEGGADL
ILIETIFDTLNAKAAIFAVQGVFEELNIELPIMISGTITDASGRTLSGQTTEAFWNSVAH
AKPISVGLNCALGASELRPYLEELSNKANTHVSAHPNAGLPNEFGEYDELPSQTAKVIEE
FAQSGFLNIVGGCCGTTPGHIEAIAKAVAGYAPRQIPDIPKACRLSGLEPFTIDRSSLFV
NVGERTNITGSAKFARLIREDNYTEALEVALQQVEAGAQVIDINMDEGMLDSKKAMVTFL
NLIAGEPDISRVPIMIDSSKWDVIEAGLKCIQGKGIVNSISMKEGVEQFIHHAKLCKRYG
AAVVVMAFDEAGQADTEARKKEICKRSYDILVNEVGFPPEDIIFDPNIFAVATGIEEHNN
YAVDFINACAYIRDELPYALTSGGVSNVSFSFRGNNPVREAIHSVFLLYAIRNGLTMGIV
NAGQLEIYDQIPAELRDAVEDVVLNRTPDGTDALLAIADKYKGDGSVKEAETEEWRGWDV
NKRLEHALVKGITTHIVEDTEESRLSFARPIEVIEGPLMSGMNIVGDLFGAGKMFLPQVV
KSARVMKQAVAHLIPFIELEKGDKPEAKGKILMATVKGDVHDIGKNIVGVVLGCNGYDIV
DLGVMVPAEKILQVAKEQKCDIIGLSGLITPSLDEMVHVAREMQRQDFHLPLMIGGATTS
KAHTAVKIEPKYSNDAVVYVTDASRAVGVATQLLSKELKAGFVERTREEYVEVRERTSNR
SARTERLSYPAAIAKKPQFDWSTYSPVVPTFTGAKVLDNIDLKVLAEYIDWTPFFISWDL
AGKFPRILTDEVVGEAATALYADAQEMLKKLIDEKLISARAVFGFWPTNQVQDDDLEVYG
DDGQPIAKLHHLRQQIIKTDGKPNFSLADFVAPKDSGVTDYIGGFITTAGIGAEEVAKAY
QDAGDDYNSIMVKALADRLAEACAEWLHQQVRKEHWGYAKDEQLDNEALIKEQYSGIRPA
PGYPACPDHTEKAQLFQLLDPEAREMHAGRSGVFLTEHYAMFPAAAVSGWYFAHPQAQYF
AVGKVDKDQVASYTARKGQDLSVTERWLAPNLGYDN