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PIG-K

Gene
PIG-K
Protein
Putative GPI-anchor transamidase
Organism
Drosophila melanogaster
Length
355 amino acids
Function
Mediates GPI anchoring in the endoplasmic reticulum, by replacing a protein's C-terminal GPI attachment signal peptide with a pre-assembled GPI. During this transamidation reaction, the GPI transamidase forms a carbonyl intermediate with the substrate protein (By similarity).
Similarity
Belongs to the peptidase C13 family.
Mass
40.368 kDa
Sequence
MFNIMLVKFVVIFALILASCRVEADNTSVLPEGFVDAAQRSTHTNNWAVLVDASRFWFNYRHVANVLSIYRSVKRLGIPDSQIILMIADDMACNARNPRPGQVYNNANQHINVYGDDVEVDYRGYEVTVENFVRLLTGRTQNGTARSKKLLSDAGSNVLIYLTGHGGDGFLKFQDSEEITSQELADGIQQMWEKKRYNELFFMVDTCQAASLYEKFTSPNVLAVASSLVGEDSLSHHVDPSIGVYMIDRYTYYALEFLEKVQPFSKRTIGEFLQVCPKRVCISTVGVRKDLYPRDPHKVPITDFFGAIRPTRVSTDRINVTLANEDDFIFDKDKMVTKKPFKIVMESQFPSELFK