HEADSC 3q2x SEQCRD A N ASN ASN 1 1 C C 0 SEQCRD A K LYS LYS 2 2 C C 0 SEQCRD A G GLY GLY 3 3 C C 0 SEQCRD A A ALA ALA 4 4 C C 0 SEQCRD A I ILE ILE 5 5 C C 0 SEQCRD A I ILE ILE 6 6 C C 0 PARAME method XRAY PARAME resolution 1.4510 PARAME R-factor 0.2095 PARAME FreeR-factor 0.2589