1U19Astructure--SMLAAYMFLLIMLGFPINFLTLYVTVQHKKLRTPLNYILLNLAVADLFMVFGGFTTTLYTSLHGYFVFGPTGCNLEGFFATLGGEIALWSLVVLAIERYVVVCKPMS-NFRFGENHAIMGVAFTWVMALACAAPPL-------------------------NNESFVIYMFVVHFIIPLIVIFFCYGQLVFTVKEAAAQQQESATTQKAEKEVTRMVIIMVIAFLICWLPYAGVAFYIFTHQGSDFGPIFMTIPAFFAKTSAVYNPVIYI-------------- 1U19Amembrane contact--??TT?TTTTTTTTNTTTNTTNTHNHHHHHNNHNNNNHTNHTNNTNNTTTNTTTNTTNTHNHHHHHHNTHHTTNHTNNNTNNTNNNNNNTNTTTTTTTNHTNNHHNHH-NHHTHHHHNHTTTTTTTTTTTTTTTTTH-------------------------NHHHHNTTNNTTNNTTTTTTTTTTTTHTTHHNHH?NHNNNNNNN??H?NHHNTHHTTTTTTTNTTTTTTNTTTNTTNTTHN?HHTHHHTNTTTNTTNNTTNTTNTTTHT-------------- 1U19Amembrane layer--TTTTTTTTTTTTTTTTTTTTTTTTHTHHHHHHHHHTTTTTTTTTTTTTTTTTTTTTTTHHHHHHHHHHHHHHHHTTTTTTTTTTTTTTTTTTTTTTHHHHHHHHHHN-NHHHHHHTTTTTTTTTTTTTTTTTTTTT-------------------------HHHHTTTTTTTTTTTTTTTTTTTTTTHHHHHHHHHHNNNNNNNNHHHHHHHHHHTTTTTTTTTTTTTTTTTTTTTTHHHHHHHHHHHHTTTTTTTTTTTTTTTTTTTTT-------------- templateAstructureWEAGMSLLMALVVLLIVAGNVLVIAAIGSTQRLQTLTNLFITSLACADLVVGLLVVPFGATLVVRGTWLWGSFLCELWTSLDVLCVTASIETLCVIAIDRYLAITSPFRYQSLMTRARAKVIICTVWAISALVSFLPIMMHWWRDEDPQALKCYQDPGCCDFVTNRAYAIASSIISFYIPLLIMIFVALRVYREAKE-QI---------R-EHKALKTLGIIMGVFTLCWLPFFLVNIVNVFNR-DLVPDWLFVAFNWLGYANSAMNPIIYCRSPDFRKAFKRLLA templateAmembrane contact????TT?TTTTTTTTNTTTNTTNTHNHHHHHNNHNNNNHTNHTNNTNNTTTNTTTNTTNTHNHHHHHHNTHHTTNHTNNNTNNTNNNNNNTNTTTTTTTNHTNNHHNHHTNHHTHHHHNHTTTTTTTTTTTTTTTTTHHHHTNHHHHNNNNNNHNNHHNNNNNNHHHHNTTNNTTNNTTTTTTTTTTTTHTTHHNHH-NH---------H-NHHNTHHTTTTTTTNTTTTTTNTTTNTTNTTHN-HHTHHHTNTTTNTTNNTTNTTNTTTHTHHHHNHHNTHHTTH templateAmembrane layerTTTTTTTTTTTTTTTTTTTTTTTTTTHTHHHHHHHHHHTTTTTTTTTTTTTTTTTTTTTTHHHHHHHHHHHHHHHHTTTTTTTTTTTTTTTTTTTTTTHHHHHHHHHHHHHHHHHHHTTTTTTTTTTTTTTTTTTTTTHHHHHHHNNNNHNNNHNNHHHHHHHHHHHTTTTTTTTTTTTTTTTTTTTTTHHHHHHHH-HH---------H-HHHHHHTTTTTTTTTTTTTTTTTTTTTTHHHHH-HHHHHHTTTTTTTTTTTTTTTTTTTTTHHHHHHHHTHHTTT