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PSS1

Gene
pss1
Protein
Heat shock protein homolog pss1
Organism
Schizosaccharomyces pombe (strain 972 / ATCC 24843)
Length
720 amino acids
Function
Required for normal growth at various temperatures.
Similarity
Belongs to the heat shock protein 70 family.
Mass
80.375 kDa
Sequence
MSSRTNVVGIDFGNSKTVIAVARNRAIDVIVNEVSNRSTPSLVSYGERSRFLGEAAKSAEASNFRNTVGSLKRLAGRTYDDPEIKDIESNFISAKLTEVDGFVGAKVQYLNEETAFSNIQLIAAYFTKIKAIAEAELIGSVSDVVISIPAWFTDIQRRALLEAANIAGLNPLRLMNDNAAAALTYGITKTDLPEPESPRRVAIVDFGHSNYSVSIVEFSRGQFHIKSTVCDRNLGSRNMDKALIDYFAAEFKEKYKIDVLSNPKATFRLATAVERLKKVLSANANAPLNVEMIMNDIDASSFIKRSDFEELIKPLLERLTPPIEKALELAGIKKEDLYSIEMVGGCTRVPIVKEVIANYFGKGLSFTLNQDEAVARGCALSCAILSPVFRVREFHVHDVTTYPITFSWEPIPENPEEDSSLEVFSEGNPIPSTKILTFYRKAPFKLLAAYSKEAQLPGSIKQNIAQYLINDVVPNKDGDLSIVKIKVRLDLHGILVVEQAYIVEEQEVEEPVETSPEEEAEKKTDEPVKMRKVKKLVKVADLSVSVQEDRLPTEVLEKYREAEHQMIATDKLVAETVDRKNALEEYIYDTRAKLDDIYAPFTNEEESSKFKEMLTKAEDWLYEEGEDTTKAVYTAKLEDLMRVGGPIRQRYLDAEEAKRQKVQAEREAAKAATKSEAEKQKPSGKFEEGTGGRAPPPPPAEEVAPENEEVETMEIDEQKE

Gene
PSS1
Protein
CDP-diacylglycerol--serine O-phosphatidyltransferase 1
Organism
Arabidopsis thaliana
Length
425 amino acids
Function
Catalyzes a base-exchange reaction in which the polar head group of phosphatidylethanolamine (PE) or phosphatidylcholine (PC) is replaced by L-serine. Is essential for phosphatidylserine (PS) biosynthesis and PE seems to be the most plausible substrate. Plays an important role in microspore maturation.
Similarity
Belongs to the CDP-alcohol phosphatidyltransferase class-I family.
Mass
49.518 kDa
Sequence
MEPNGYRKERRKEQHLGRMNGGGGDVETDLDPWTAWAYKPRTISLLLIGACFLIWASGALDPDSTTSDDLVTSVKRGVWAMIAVFLAYSLLQAPSTVLIRPHPAIWRLVHGMAVIYLVALTFLLFQRRDDARQFMKFLHPDLGIELPEKSYGADCRIYVPDHPTNRFKNLYDTVFDEFFLAHIFGWWGKAILIRNQPLLWVLSIGFELLEVTFRHMLPNFNECWWDSIVLDILICNWFGIWAGMYTVRYFDGKTYEWVGISRQPNIIGKVKRTLGQFTPAHWDKDEWHPLQGPWRFIQVLTLCIIFLTVELNTFFLKFSLWIPPRNPVILYRLILWWLIAIPTTREYNSYLQDRKPVKKVGAFCWLSLGICIVELLICIKFGSGLYPTEMPLWVVTLWGSVGLGLVAFLLSWTWKIQKILAQKRR

Gene
PSS1
Protein
CDP-diacylglycerol--serine O-phosphatidyltransferase 1
Organism
Oryza sativa subsp. japonica
Length
425 amino acids
Function
Catalyzes a base-exchange reaction in which the polar head group of phosphatidylethanolamine (PE) or phosphatidylcholine (PC) is replaced by L-serine.
Similarity
Belongs to the CDP-alcohol phosphatidyltransferase class-I family.
Mass
50.1 kDa
Sequence
MEVNGHHKPRREYNGRECNGVQSVNNFGDIDPWTAWAYKPRTVSLLLMGTCFLIWASGALDPERSFSVDRVSSVKRGVFAMIAVFLAYSFLQAPSTVLIRPHPAIWRLVHGMAVVYLVALTFLLFQTRDDARQFMKYLHPDLGVELPERSYGTDCRIYVPDHPKSRFNNVYEILFDEFVIAHILGWWGKAIMIRNQPLLWVLSIGFELMELTFRHMLPNFNECWWDSIVLDILICNWFGIWAGMKTVRYFDGRTYEWVGLSRQPNIISKVKRTLGQFTPAQWDKDEWYPLLGPWRFIQVLSLCIVFMIVELNTFFLKFCLWIPPRNPLIVYRLVLWWLIAIPTIREYNTYLQDRKPVKKVGSFCWLSLAICILELLLCIKFGHGLFPKSMPSWLFIAWTTVASLLMMFLLVWTWKIYRTMIRKRL