>4twmB (B:) observed residues (from ATOM records) efsyidgnpngpenwgnlkpewetcgkgmeqspiqlrdnrvifdqtlgklrrnyravdar lrnsghdvlvdfkgnagslsinrveyqlkrihfhspsehemngerfdleaqlvhesqdqk ravvsilfrfgradpflsdledfikqfsnsqkneinagvvdpnqlqiddsayyrymgsft appctegiswtvmrkvatvsprqvlllkqavnenainnarplqptnfrsvfyfeql