HEADSC 1etn SEQCRD A X MPR MPR 1 5 T T 0 SEQCRD A C CYS CYS 2 6 T T 0 SEQCRD A E GLU GLU 3 7 T T 0 SEQCRD A L LEU LEU 4 8 T T 0 SEQCRD A C CYS CYS 5 9 T T 0 SEQCRD A C CYS CYS 6 10 T T 0 SEQCRD A N ASN ASN 7 11 T T 0 SEQCRD A P PRO PRO 8 12 T T 0 SEQCRD A A ALA ALA 9 13 T T 0 SEQCRD A C CYS CYS 10 14 T T 0 SEQCRD A A ALA ALA 11 15 T T 0 SEQCRD A G GLY GLY 12 16 T T 0 SEQCRD A C CYS CYS 13 17 T T 0 PARAME method XRAY PARAME resolution 0.89 PARAME R-factor 0.088 PARAME FreeR-factor NA