>2ch2B (B:) SEQRES residues mkftpppaslrnpliipekimmgpgpsncskrvltamtntvlsnfhaelfrtmdevkdgl ryifqtenratmcvsgsahagmeamlsnlleegdrvliavngiwaeravemserygadvr tiegppdrpfsletlaraielhqpkclflthgdsssgllqplegvgqichqhdcllivda vaslcgvpfymdkweidavytgaqkvlgappgitpisispkaldvirnrrtkskvfywdl lllgnywgcydepkryhhtvasnlifalrealaqiaeeglenqikrriecaqilyeglgk mgldifvkdprhrlptvtgimipkgvdwwkvsqyamnnfslevqgglgptfgkawrvgim gecstvqkiqfylygfkeslkathpdyifeesngfh