HEADSC 5e5z SEQCRD A L LEU LEU 1 1 C C 0 SEQCRD A V VAL VAL 2 2 C C 0 SEQCRD A H HIS HIS 3 3 C C 0 SEQCRD A S SER SER 4 4 C C 0 SEQCRD A S SER SER 5 5 C C 0 SEQCRD A N ASN ASN 6 6 C C 0 PARAME method XRAY PARAME resolution 1.664 PARAME R-factor 0.1702 PARAME FreeR-factor 0.1983