>4ixwA (A:) observed residues (from ATOM records)
staivtnvkhfggmgsalrlseaghtvachdesfkhqdeleafaetypqlipmseqepve
lieavtsalghvdilvsndiapvewrpidkyavedyrdmvealqikpfalanavasqmkr
rksghiifitsaasfgpwkelstyasaragasalanalskelgehnipvfaiapngvdsg
dspyyypsepwktspehvawvrkytalqrlgtqkelgelvtflasgscdyltgqvfwlag
gfpvverwp