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ankX

Gene
ankX
Protein
Phosphocholine transferase AnkX
Organism
Legionella pneumophila subsp. pneumophila (strain Philadelphia 1 / ATCC 33152 / DSM 7513)
Length
949 amino acids
Function
Virulence effector that plays a role in hijacking the host vesicular trafficking by recruiting the small guanosine triphosphatase (GTPase) Rab1 to the cytosolic face of the Legionella-containing vacuole (LCVs). Acts as a phosphocholine transferase by mediating the addition of phosphocholine to Ser residues of host RAB1 (RAB1A, RAB1B or RAB1C) and RAB35, leading to displacement of GDP dissociation inhibitors (GDI). Phosphocholination of target proteins also impairs accessibility to GTPase effector LepB. Can act on both GDP-bound and GTP-bound Rab proteins.
Mass
107.151 kDa
Sequence
MVKIMPNLPGLYFLQAYPSEEIWRLFVDGRFWSKENGWRGYESREPGCLNAALESLCSIALQVEKSGEEFELSVDLIKRIHKKCGKKVEELQEKNPGELRTDEPVSFGIPAGRASIKGIEEFLSLVFLTEGGAEFGPGKAGPFGPRFDKNYFKNLNPEQIPDLAKQIYFDMCKYGHSNTNHFYLAVMKNVDVYLEKITQSYNKEIKTAETLDEKLKIIVKHIRMYEVLHPFRDANGRTFVNNLLNILLMQQGLPPATFYEPNVFDLYSAEELVVVVKEAIFNTVEIIEQSKRKTPITLYGYHSSLEEQTKFRDMLDSPSYEKIKHMDFSDLNPEKLHLKTQKCLSSLNEQYPLHRGAIYLSDPGEIKLLLSNRNESQINQQIEQGAPPIYVGKTPAHLAVISGNMAMLDELIAKKADLSLQDYDGKTALHYAAECGNMQIMGKILKVVLSQEDAIKVLNIKDNHGKTAFHYAAEFGTPELISALTTTEVIQINEPDNSGSSAITLAYKNHKLKIFDELLNSGADISDELLDAIWARKDKETLGKIIAKNEKILLNKEAFRIAISLGSVSLVKKFLRAGVDIDIPLTKDKATPLMLSINSGNPKLVSYLLKKGANTRLTDTSGNSVLHYVFYSKAENREALANIITEKDKKLINQPNANGNPPLYNAVVVNDLKMATILLEMGARVDFEDRLGNNILHSAMRRCDLPIILDIVKKDSTLLHKRNSERRNPFHQALHEMHTFPSSKETEEIHFMNLSDLLLKEGVDLNKKDIKGKTILDIALSKQYFHLCVKLMKAGAHTNISSPSKFLKNSDANSILERPFKFKNDLKKELDNNPLIAMAQINDLYVQIKNNRIRTPTGYAPKEGVSFFKGKSNDAKAHDEVLSVLKELYDSKLTEMLGNLPGEGLEEIKRSQKFFDGELKLLIKNQDISRKVDKKSIQEAVGTSLKLKW