HEADSC 5kx1 SEQCRD A N ASN ASN 1 1 H H 0 SEQCRD A P PRO PRO 2 2 H H 0 SEQCRD A E GLU GLU 3 3 H H 0 SEQCRD A D ASP ASP 4 4 H H 0 SEQCRD A C CYS CYS 5 5 H H 0 SEQCRD A R ARG ARG 6 6 H H 0 SEQCRD A Q GLN GLN 7 7 C C 0 SEQCRD A D ASP ASP 8 8 H H 0 SEQCRD A P PRO PRO 9 9 H H 0 SEQCRD A E GLU GLU 10 10 H H 0 SEQCRD A A ALA ALA 11 11 H H 0 SEQCRD A N ASN ASN 12 12 H H 0 SEQCRD A K LYS LYS 13 13 H H 0 SEQCRD A S SER SER 14 14 H H 0 SEQCRD A P PRO PRO 15 15 H H 0 SEQCRD A E GLU GLU 16 16 H H 0 SEQCRD A E GLU GLU 17 17 H H 0 SEQCRD A C CYS CYS 18 18 H H 0 SEQCRD A K LYS LYS 19 19 H H 0 SEQCRD A K LYS LYS 20 20 H H 0 SEQCRD A L LEU LEU 21 21 H H 0 SEQCRD A K LYS LYS 22 22 C C 0 PARAME method NMR PARAME resolution NA PARAME R-factor NA PARAME FreeR-factor NA