>4fgwB (B:) observed residues (from ATOM records)
kpfkvtvigsgnwgttiakvvaenckgypevfapivqmwvfeeeingeklteiintrhqn
vkylpgitlpdnlvanpdlidsvkdvdiivfniphqflpricsqlkghvdshvraisclk
gfevgakgvqllssyiteelgiqcgalsganiatevaqehwsettvayhipkdfrgegkd
vdhkvlkalfhrpyfhvsviedvagisicgalknvvalgcgfveglgwgnnasaaiqrvg
lgeiirfgqmffpesreetyyqesagvadlittcaggrnvkvarlmatsgkdawecekel
lngqsaqglitckevhewletcgsvedfplfeavyqivynnypmknlpdmiee