>1v15D (D:) observed residues (from ATOM records)
eskrnkpgkatgkgkpvgdkwlddagkdsgapipdriadklrdkefksfddfrkavweev
skdpelsknlnpsnkssvskgyspftpknqqvggrkvyelhadkpisqggevydmdnirv
ttpkrhidihrgk