>d1s21a_
PSRFVGQYTLTSIHQLSSEERENFLDAHDPMRVYDLNSETSVYRTTQREYVRNGYATGNPNSGAIIALHEELQESPYAQHIGARPDQADAYRPRTAHVSSLNTPSLNVMAGQGALSALHVTTEMRLGDFLDQGGKVYSDTSGGDSVEALIVTLPKGRKVPVNILD