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1.B.84.1.1
The Outer Membrane Porin/Phospholipase A1 (OMPLA1) of 355 aas and 12 - 14 transmembrane β-strands in a β-barrel having porin properties.  Transports urea, ammonium ions and small molecules with diameters of less than 4 Å. Besides its role as a phospholipase, it lets urea enter and ammonium exit the periplasm, thereby contributing to acid tolerance (Vollan et al. 2017).  

Accession Number:E1S7Z6
Protein Name:Phospholipase A1/Outer membrane phospholipase A
Length:355
Molecular Weight:42406.00
Species:Helicobacter pylori (strain 908) [869727]
Substrate small molecules, < 4 A, ammonium ions, NH4+, Urea

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FASTA formatted sequence
1:	MKSVLLFMIF VVCQLEGKKF LQDNFKVDYN YYLRKQDLHI IKTQNDLSNA WYLPPQKAPK 
61:	EHSWVDFAKK YLNMMDYLGT YFLPFYHSFT PIFQWYHPNI NPYQRNEFKF QISFRVPVFR 
121:	HILWTKGTLY LAYTQTNWFQ IYNNPQSAPM RMINFMPELI YVYPINFKPF GGKIGNFSEI 
181:	WIGWQHISNG VGGAQCYQPF NKEGNPENQF PGGPVIVKDY NGQKDVRWGG CRSVSAGQRP 
241:	VFRLVWEKGG LKIMVAYWPY IPYDQSNPNL IDYMGYGNAK IDYRRGRHHF ELQLYDIFTQ 
301:	YWRYDRWHGA FRLGYTYRIN PFVGIYAQWF NGYGDGLYEY DVFSNRIGVG IRLNP