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VEP1

Gene
VEP1
Protein
3-oxo-Delta(4,5)-steroid 5-beta-reductase
Organism
Arabidopsis thaliana
Length
388 amino acids
Function
Involved in vascular strand development. Catalyzes the stereospecific conversion of progesterone to 5-beta-pregnane-3,20-dione. Can use progesterone, testosterone, 21-acetyl cortexone, 2-cyclohexenone, but-1-en-3-one, ethyl acrylate, ethylmethacrylate, cortisone and canarigenone as substrates, lower activity with 3-methyl-2-cyclohexenone and 3,5,5-trimethyl-2-cyclohexenone as substrate, and no activity with canarigenin, canarigenin digitoxoside and pregnenolone. May be involved in the formation of 5-beta phytoecdysteroids.
Similarity
Belongs to the short-chain dehydrogenases/reductases (SDR) family. Highly divergent.
Mass
44.23 kDa
Sequence
MSWWWAGAIGAAKKKLDEDEPSQSFESVALIIGVTGIVGNSLAEILPLSDTPGGPWKVYGVARRPRPTWNADHPIDYIQCDVSDAEDTRSKLSPLTDVTHVFYVTWTNRESESENCEANGSMLRNVLQAIIPYAPNLRHVCLQTGTKHYLGPFTNVDGPRHDPPFTEDMPRLQIQNFYYTQEDILFEEIKKIETVTWSIHRPNMIFGFSPYSLMNIVGTLCVYAAICKHEGSPLLFPGSKKAWEGFMTASDADLIAEQQIWAAVDPYAKNEAFNCNNADIFKWKHLWKILAEQFGIEEYGFEEGKNLGLVEMMKGKERVWEEMVKENQLQEKKLEEVGVWWFADVILGVEGMIDSMNKSKEYGFLGFRNSNNSFISWIDKYKAFKIVP