>4rr1A (A:) observed residues (from ATOM records)
mtpasynlavrraapavvnvynrglntnshnqleirtlgsgvimdqrgyiitnkhvinda
dqiivalqdgrvfeallvgsdsltdlavlkinatgglptipinarrvphigdvvlaignn
lgqtitqgiisatgriglnptgrqnflqtdasinhgnsggalvnslgelmgintlspegi
gfaipfqlatkimdklirdgrvirgyigiggreigivvnevspdgpaanagiqvndliis
vdnkpaisaletmdqvaeirpgsvipvvvmqltlqvtiqeyp