HEADSC 1r1g SEQCRD A X LAL ALA 1 1 C C 0 SEQCRD A A ALA ALA 2 2 C C 0 SEQCRD A C CYS CYS 3 3 C C 0 SEQCRD A Y TYR TYR 4 4 H H 0 SEQCRD A S SER SER 5 5 H H 0 SEQCRD A S SER SER 6 6 H H 0 SEQCRD A D ASP ASP 7 7 H H 0 SEQCRD A C CYS CYS 8 8 H H 0 SEQCRD A R ARG ARG 9 9 H H 0 SEQCRD A V VAL VAL 10 10 H H 0 SEQCRD A X MLY LYS 11 11 H H 0 SEQCRD A C CYS CYS 12 12 H H 0 SEQCRD A V VAL VAL 13 13 H H 0 SEQCRD A A ALA ALA 14 14 H H 0 SEQCRD A M MET MET 15 15 H H 0 SEQCRD A G GLY GLY 16 16 C C 0 SEQCRD A F PHE PHE 17 17 C C 0 SEQCRD A S SER SER 18 18 C C 0 SEQCRD A S SER SER 19 19 E E 0 SEQCRD A G GLY GLY 20 20 E E 0 SEQCRD A X MLY LYS 21 21 E E 0 SEQCRD A C CYS CYS 22 22 E E 0 SEQCRD A I ILE ILE 23 23 E E 0 SEQCRD A N ASN ASN 24 24 C C 0 SEQCRD A S SER SER 25 25 C C 0 SEQCRD A X MLY LYS 26 26 E E 0 SEQCRD A C CYS CYS 27 27 E E 0 SEQCRD A X MLY LYS 28 28 E E 0 SEQCRD A C CYS CYS 29 29 E E 0 SEQCRD A Y TYR TYR 30 30 E E 0 SEQCRD A X MLY LYS 31 31 C C 0 SEQCRD B X LAL ALA 1 1 C C 0 SEQCRD B A ALA ALA 2 2 C C 0 SEQCRD B C CYS CYS 3 3 C C 0 SEQCRD B Y TYR TYR 4 4 H H 0 SEQCRD B S SER SER 5 5 H H 0 SEQCRD B S SER SER 6 6 H H 0 SEQCRD B D ASP ASP 7 7 H H 0 SEQCRD B C CYS CYS 8 8 H H 0 SEQCRD B R ARG ARG 9 9 H H 0 SEQCRD B V VAL VAL 10 10 H H 0 SEQCRD B X MLY LYS 11 11 H H 0 SEQCRD B C CYS CYS 12 12 H H 0 SEQCRD B V VAL VAL 13 13 H H 0 SEQCRD B A ALA ALA 14 14 H H 0 SEQCRD B M MET MET 15 15 H H 0 SEQCRD B G GLY GLY 16 16 C C 0 SEQCRD B F PHE PHE 17 17 C C 0 SEQCRD B S SER SER 18 18 C C 0 SEQCRD B S SER SER 19 19 E E 0 SEQCRD B G GLY GLY 20 20 E E 0 SEQCRD B X MLY LYS 21 21 E E 0 SEQCRD B C CYS CYS 22 22 E E 0 SEQCRD B I ILE ILE 23 23 E E 0 SEQCRD B N ASN ASN 24 24 C C 0 SEQCRD B S SER SER 25 25 C C 0 SEQCRD B X MLY LYS 26 26 E E 0 SEQCRD B C CYS CYS 27 27 E E 0 SEQCRD B X MLY LYS 28 28 E E 0 SEQCRD B C CYS CYS 29 29 E E 0 SEQCRD B Y TYR TYR 30 30 E E 0 SEQCRD B X MLY LYS 31 31 C C 0 PARAME method XRAY PARAME resolution 1.72 PARAME R-factor 0.166 PARAME FreeR-factor 0.224