>1viuB (B:) observed residues (from ATOM records)
qqitlikdkilsdnyftlhnitydltrkdgevirhkrevydrgngatillyntkkktvvl
irqfrvatwvngnesgqliescaglldndepevcirkeaieetgyevgevrklfelymsp
ggvtelihffiaeysdnqraedievlelpfsqalemiktgeirdgktvlllnylqtshlm
d