>1mexH (H:) observed residues (from ATOM records)
qvqlqqsdaelvkpgasvkisckasgytftdhaihwvkqkpglewigyispgngdikyne
kfkgkatltadkssstaymqlnsltsedsavyfckmeyldywgqgttltvssggttppsv
yplapgsaaqtnsvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdlytlsssvt
vpsstwpsqsvtcnvahpasstavdkkiapa