>3k48B (B:) SEQRES residues gskkhsvlhlvpvnitskadsdvtevmwqpvlrrgrgleaqgdivrvwdtgiyllysqvl fhdvtftmgqvvsregqgrretlfrcirsmpsdpdraynscysagvfhlhqgdiitvkip ranaklslsphgtflgfvkl