>2c37R (R:) observed residues (from ATOM records)
mlqverpklilddgkrtdgrkpdelrsikielgvlknadgsaifemgntkaiaavygpke
mhprhlslpdravlrvryhmtpfstderknpapsrreielskvirealesavlvelfprt
aidvfteilqadagsrlvslmaaslaladagipmrdliagvavgkadgviildlnetedm
wgeadmpiammpslnqvtlfqlngsmtpdefrqafdlavkginiiynlerealkskyvef
keegv