Protein
Glutamine--fructose-6-phosphate aminotransferase [isomerizing]
Organism
Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440)
Function
Catalyzes the first step in hexosamine metabolism, converting fructose-6P into glucosamine-6P using glutamine as a nitrogen source.
Similarity
In the C-terminal section; belongs to the SIS family. GFAT subfamily.
Sequence
MCGIIGYIGNDKAPKILLNGLRRLEYRGYDSCGIGVVDNNKLIIKKNVGKVEEVAKKERFLDIDGNIGIGHCLHPDTYVILPDGRMKKISEIDEDEVLSVNFEDLKLYNKKIKKFKHKAPKILYKIKTAFSELITTGEHKLFVVENGKIVEKCVKDLNGSELIGVVRKLNYSFNDNVEFKDVYVERHYKLDETIRNKLRKVREKLGLTRKDVEKLCGVKEIYIVKIETGKLESIEEERLKKLCSLYGINFEEIIYRDNLHYTNPVKFPKTPTPELMQIIGYIIGDGHFPSNRMLRLKDERKEVLEEYNQLFKTVFNLEGNIKKGDGNYYILEINSKYLIDWFRENIPELFNKTGNERTPEFVFRLNNDLVASYLRGIFDAEGYIRAEAKQIGIGMTSKCFIKEIQFLLLRFGILASYSKIKRKEENWNNTHKLLISDKKSFELFKKYIGFTAKDKMEKLEAILNKMKGLNFRYISIPLTKKEIREFVGVPLKTIKNGDNYCTDYTIEKIIEELNSKGLYDKAEYLKRFLDADIVWTKFKIEEVESDVEYVYDLEVEDYHNFIGNLIINHNSRWATHGNVCKENAHPHTDCKEEIAVVHNGIISNYKELKDELMKKGHKFKSETDTEVVPHLIEEELKKFKEINEENYIKAVKNAIKKLKGTYALVIINKNFPNLLIGARNESPLILGINDDGYFLGSDITAFLDYTNKAIPLEDGDVVVIKKKENGYEVTIENNGNTVEREMMEINWDISSAEKMGYPHFMLKEIMEQPEVLKVSAKISAEEIKELAKCIKDYDRVYFVAMGTSLHAAMVVEYLFAKLGKLVIACDASEFLNKGVVDDKTLVIGITQSGETYDTLKALRFAKKNKAKTGAIVNVLGSTATREADITVMMGAGIEIAVCATKTYTSQLMILYRLFIEYGKLLGRDMSEYEKEIDKIPNYIKEVLDKKETIKEIANNLKVNNYIFISKGINIASALEGALKFKEITYLHAEGMSGGLLKHGTISLIDENMDTVAIVPPRDSAVFNSILSNIEEVKARGGKVIAITPTEIDGAENILVPEVIEEISPIVYAPAFQLLAYYKAVELGRDVDKPRGLAKSVTVE