>2bh2B (B:) observed residues (from ATOM records)
iitvsvndldsfgqgvarhngktlfipgllpqenaevtvtedkkqyarakvvrrlsdspe
retprcphfgvcggcqqqhasvdlqqrsksaalarlmkhdvseviadvpwgyrrrarlsl
nylpktqqlqmgfrkagssdivdvkqcpilapqleallpkvraclgslqamrhlghvelv
qatsgtlmilrhtaplssadreklerfshsegldlylapdseiletvsgempwydsnglr
ltfsprdfiqvnagvnqkmvaralewldvqpedrvldlfcgmgnftlplatqaasvvgve
gvpalvekgqqnarlnglqnvtfyhenleedvtkqpwakngfdkvlldparagaagvmqq
iiklepirivyvscnpatlardseallkagytiarlamldmfphtghlesmvlfsr