HEADSC 3dgj SEQCRD A N ASN ASN 1 2 C C 0 SEQCRD A N ASN ASN 2 3 C C 0 SEQCRD A F PHE PHE 3 4 C C 0 SEQCRD A G GLY GLY 4 5 C C 0 SEQCRD A A ALA ALA 5 6 C C 0 SEQCRD A I ILE ILE 6 7 C C 0 SEQCRD A L LEU LEU 7 8 C C 0 PARAME method XRAY PARAME resolution 1.800 PARAME R-factor .166 PARAME FreeR-factor 0.217