;Hydropathy ; 16 character descriptor ;2 ; 1=Nucleic 2=Protein 1 ; 1=Filter 2-64=No. Pos. in Matrix 19 ; 3-256=Filter Window 0-100=Percent Cutoff Matrix Output 1.800 A Ala -3.500 BB Asx 2.500 C Cys Note: Columns 1-8 must contain 1 numeric value only -3.500 D Asp -3.500 E Glu Note: This file is required for amphpathic helic 2.800 F Phe -0.400 G Gly -3.200 H His 4.500 I Ile -3.900 K Lys 3.800 L Leu 1.900 M Met -3.500 N Asn -1.600 P Pro -3.500 Q Gln -4.500 R Arg -0.800 S Ser -0.700 T Thr 4.200 V Val -0.900 W Trp -0.490 X- Unk -1.300 Y Tyr -3.500 ZZ Glx -0.490 ** *** ;Hydropathy - Kyte and Doolittle (Hydrophobicity Index) ;A window of 19 residues is the published (and recomended) value ;for calculating the moving average to find membrane spanning regions