>3gn4H (H:) observed residues (from ATOM records)
qlteeqiaefkeafslfdkdgdgtittkelgtvmrslgqnpteaelqdminevdadgngt
idfpefltmmarkmkdtdseeeireafrvfdkdgngfisaaelrhvmtnlgekltdeevd
emireadidgdgqvnyeefvtmmts