Protein
Arabinose 5-phosphate isomerase KpsF
Organism
Escherichia coli O6:H1 (strain CFT073 / ATCC 700928 / UPEC)
Function
Involved in the biosynthesis of K-antigen capsules. Catalyzes the reversible aldol-ketol isomerization between D-ribulose 5-phosphate (Ru5P) and D-arabinose 5-phosphate (A5P).
Similarity
Belongs to the SIS family. GutQ/KpsF subfamily.
Sequence
MSERHLPDDQSSTIDPYLITSVRQTLAEQSAALQNLSKQLDSGQYQRVLNLIMNCKGHVILSGMGKSGHVGRKISATLASTGTPSFFIHPAEAFHGDLGMITPYDLLILISASGETDEILKLVPSLKNFGNRIIAITNNGNSTLAKNADAVLELHMANETCPNNLAPTTSTTLTMAIGDALAIAMIHQRKFMPNDFARYHPGGSLGRRLLTRVADVMQHDVPAVQLDASFKTVIQRITSGCQGMVMVEDAEGGLAGIITDGDLRRFMEKEGSLTSATAAQMMTREPLTLPEDTMIIEAEEKMQKHRVSTLLVTNKANKVTGLVRIFD