HEADSC 2pk4 SEQCRD A Q GLN GLN 1 -1 T T 0 SEQCRD A D ASP ASP 2 0 T T 0 SEQCRD A C CYS CYS 3 1 T T 0 SEQCRD A Y TYR TYR 4 2 T T 0 SEQCRD A H HIS HIS 5 3 T T 0 SEQCRD A G GLY GLY 6 4 T T 0 SEQCRD A D ASP ASP 7 5 T T 0 SEQCRD A G GLY GLY 8 6 T T 0 SEQCRD A Q GLN GLN 9 7 T T 0 SEQCRD A S SER SER 10 8 T T 0 SEQCRD A Y TYR TYR 11 9 T T 0 SEQCRD A R ARG ARG 12 10 T T 0 SEQCRD A G GLY GLY 13 11 T T 0 SEQCRD A T THR THR 14 12 T T 0 SEQCRD A S SER SER 15 13 T T 0 SEQCRD A S SER SER 16 14 T T 0 SEQCRD A T THR THR 17 15 T T 0 SEQCRD A T THR THR 18 16 T T 0 SEQCRD A T THR THR 19 17 T T 0 SEQCRD A T THR THR 20 18 T T 0 SEQCRD A G GLY GLY 21 19 T T 0 SEQCRD A K LYS LYS 22 20 T T 0 SEQCRD A K LYS LYS 23 21 T T 0 SEQCRD A C CYS CYS 24 22 T T 0 SEQCRD A Q GLN GLN 25 23 T T 0 SEQCRD A S SER SER 26 24 T T 0 SEQCRD A W TRP TRP 27 25 T T 0 SEQCRD A S SER SER 28 26 T T 0 SEQCRD A S SER SER 29 27 T T 0 SEQCRD A M MET MET 30 28 T T 0 SEQCRD A T THR THR 31 29 T T 0 SEQCRD A P PRO PRO 32 30 T T 0 SEQCRD A H HIS HIS 33 31 T T 0 SEQCRD A R ARG ARG 34 32 T T 0 SEQCRD A H HIS HIS 35 33 T T 0 SEQCRD A Q GLN GLN 36 34 T T 0 SEQCRD A K LYS LYS 37 35 T T 0 SEQCRD A T THR THR 38 37 T T 0 SEQCRD A P PRO PRO 39 38 T T 0 SEQCRD A E GLU GLU 40 39 T T 0 SEQCRD A N ASN ASN 41 40 T T 0 SEQCRD A Y TYR TYR 42 41 T T 0 SEQCRD A P PRO PRO 43 42 T T 0 SEQCRD A N ASN ASN 44 43 T T 0 SEQCRD A A ALA ALA 45 44 T T 0 SEQCRD A G GLY GLY 46 45 T T 0 SEQCRD A L LEU LEU 47 46 T T 0 SEQCRD A T THR THR 48 47 T T 0 SEQCRD A M MET MET 49 48 T T 0 SEQCRD A N ASN ASN 50 49 T T 0 SEQCRD A Y TYR TYR 51 50 T T 0 SEQCRD A C CYS CYS 52 51 T T 0 SEQCRD A R ARG ARG 53 52 T T 0 SEQCRD A N ASN ASN 54 53 T T 0 SEQCRD A P PRO PRO 55 54 T T 0 SEQCRD A D ASP ASP 56 55 T T 0 SEQCRD A A ALA ALA 57 56 T T 0 SEQCRD A D ASP ASP 58 57 T T 0 SEQCRD A K LYS LYS 59 58 T T 0 SEQCRD A G GLY GLY 60 60 T T 0 SEQCRD A P PRO PRO 61 61 T T 0 SEQCRD A W TRP TRP 62 62 T T 0 SEQCRD A C CYS CYS 63 63 T T 0 SEQCRD A F PHE PHE 64 64 T T 0 SEQCRD A T THR THR 65 65 T T 0 SEQCRD A T THR THR 66 66 T T 0 SEQCRD A D ASP ASP 67 67 T T 0 SEQCRD A P PRO PRO 68 68 T T 0 SEQCRD A S SER SER 69 69 T T 0 SEQCRD A V VAL VAL 70 70 T T 0 SEQCRD A R ARG ARG 71 71 E E 0 SEQCRD A W TRP TRP 72 72 E E 0 SEQCRD A E GLU GLU 73 73 E E 0 SEQCRD A Y TYR TYR 74 74 E E 0 SEQCRD A C CYS CYS 75 75 C C 0 SEQCRD A N ASN ASN 76 76 C C 0 SEQCRD A L LEU LEU 77 77 C C 0 SEQCRD A K LYS LYS 78 78 C C 0 SEQCRD A K LYS LYS 79 79 C C 0 SEQCRD A C CYS CYS 80 80 C C 0 PARAME method XRAY PARAME resolution 2.25 PARAME R-factor 0.148 PARAME FreeR-factor NA