Protein Info for Synpcc7942_0626 in Synechococcus elongatus PCC 7942
Name: ilvD
Annotation: dihydroxy-acid dehydratase
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
Best Hits
Swiss-Prot: 100% identical to ILVD_SYNE7: Dihydroxy-acid dehydratase (ilvD) from Synechococcus elongatus (strain PCC 7942)
KEGG orthology group: K01687, dihydroxy-acid dehydratase [EC: 4.2.1.9] (inferred from 100% identity to syf:Synpcc7942_0626)MetaCyc: 75% identical to dihydroxy-acid dehydratase (Escherichia coli K-12 substr. MG1655)
Dihydroxy-acid dehydratase. [EC: 4.2.1.9]; 4.2.1.9 [EC: 4.2.1.9]
Predicted SEED Role
"Dihydroxy-acid dehydratase (EC 4.2.1.9)" in subsystem Branched-Chain Amino Acid Biosynthesis (EC 4.2.1.9)
MetaCyc Pathways
- superpathway of branched chain amino acid biosynthesis (16/17 steps found)
- superpathway of L-isoleucine biosynthesis I (12/13 steps found)
- L-valine biosynthesis (4/4 steps found)
- L-isoleucine biosynthesis I (from threonine) (6/7 steps found)
- pyruvate fermentation to isobutanol (engineered) (4/5 steps found)
- L-isoleucine biosynthesis IV (4/6 steps found)
- L-isoleucine biosynthesis III (4/7 steps found)
- L-isoleucine biosynthesis II (4/8 steps found)
- superpathway of L-threonine metabolism (9/18 steps found)
KEGG Metabolic Maps
- Biosynthesis of alkaloids derived from histidine and purine
- Pantothenate and CoA biosynthesis
- Valine, leucine and isoleucine biosynthesis
Isozymes
No predicted isozymesUse Curated BLAST to search for 4.2.1.9
Sequence Analysis Tools
PaperBLAST (search for papers about homologs of this protein)
Search CDD (the Conserved Domains Database, which includes COG and superfam)
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 Q31QL1 at UniProt or InterPro
Protein Sequence (619 amino acids)
>Synpcc7942_0626 dihydroxy-acid dehydratase (Synechococcus elongatus PCC 7942) MPQYRSRTTTYGRNMAGARALWRATGMKDEDFEKPIIAVANSFTQFVPGHVHLKDLGQLV AREIERAGGVAKEFNTIAVDDGIAMGHGGMLYSLPSRDLIADSVEYMVNAHCADALVCIS NCDKITPGMLMAALRLNIPAVFVSGGPMEAGKVILNGEERHLDLVDAMVVAADDRESDED VATIERSACPTCGSCSGMFTANSMNCLTEALGLSLPGNGSLLATHGDRKELFLEAGRLAV KLAKQYYEQDDESVLPRSIASFKAFENAICLDIAMGGSTNTVLHLLAAAHEAGVDFTMKD IDRLSRKIPNLCKVAPSTQKYHMEDVHRAGGVIAILGELDRAGLLHREVPTVHSPSLGAA LDQWDINRETATEEAKSRYLAAPGGVPTQEAFSQSKRWTALDLDRENGCIRDIEHAYSQD GGLAVLYGNLAEQGCIVKTAGVDENILVFSGPAVVCESQDEAVNWILNGRVKEGDVVLIR YEGPRGGPGMQEMLYPTSYLKSKGLGKACALITDGRFSGGTSGLSIGHVSPEAAEGGLIA LVEQGDRIEIDIPNRRIHLAVSEEELAHRRAAMEARGDQAWTPKDRDRPISQALQAYAAM TTSAARGGVRDLSQILGSR