>3qrcB (B:) SEQRES residues megessisigyaqsrvkedgykldknprgfnlkyryefnndwgvigsfaqtrrgfeesvd gfklidgdfkyysvtagpvfrineyvslygllgaghgkakfssifgqsesrsktslayga glqfnphpnfvidasyeysklddvkvgtwmlgagyrf