>3kx2A (A:) observed residues (from ATOM records)
mgskrrfssehpdpvetsipeqaaeiaeelskqhplpseeplvhhdagefkglqrhhtsa
eeaqkledgkinpftgreftpkyvdilkirrelpvhaqrdeflklyqnnqimvfvgetgs
gkttqipqfvlfdemphlentqvactqprrvaamsvaqrvaeemdvklgeevgysirfen
ktsnktilkymtdgmllreamedhdlsrysciildeahertlatdilmgllkqvvkrrpd
lkiiimsatldaekfqryfndapllavpgrtypvelyytpefqrdyldsairtvlqihat
eeagdillfltgedeiedavrkislegdqlvreegcgplsvyplygslpphqqqrifepa
peshngrpgrkvvistniaetsltidgivyvvdpgfskqkvynprirvesllvspiskas
aqqragragrtrpgkcfrlyteeafqkelieqsypeilrsnlsstvlelkklgiddlvhf
dfmdppapetmmraleelnylaclddegnltplgrlasqfpldpmlavmligsfefqcsq
eiltivamlsvpnvfirptkdkkraddaknifahpdgdhitllnvyhafksdeayeygih
kwcrdhylnyrslsaadnirsqlerlmnrynlelnttdyespkyfdnirkalasgffmqv
akkrsgakgyitvkdnqdvlihpstvlghdaewviynefvltsknyirtvtsvrpewlie
iapayydlsnfqkgdvklslerikekvdrlnelkq