>2co3B (B:) observed residues (from ATOM records) gsqksvdivfsspqdltvslipvsglkagknapsakiaklvvnsttlkefgvrgisnnvv dstgtawrvagkntgkeigvglssdslrrsdstekwngvnwmtfnsndtldivltgpaqn vtadtypitldvvgyq