Chains and heterogens:
PDB Chain Sequences:
>1nis_ (-) rakvamshfepheyirydlleknidivrkrlnrpltlsekivyghlddpanqeiergkty lrlrpdrvamqdataqmamlqfissglpkvavpstihcdhlieaqlggekdlrrakdinq evynflatagakygvgfwrpgsgiihqiilenyaypgvlligtdshtpnggglggicigv ggadavdvmagipwelkcpkvigvkltgslsgwtspkdvilkvagiltvkggtgaiveyh gpgvdsisctgmaticnmgaeigattsvfpynhrmkkylsktgradianladefkdhlvp dsgchydqlieinlselkphingpftpdlahpvaevgsvaekegwpldirvgligsctns syedmgrsaavakqalahglkcksqftitpgseqiratierdgyaqvlrdvggivlanac gpcigqwdrkdikkgekntivtsynrnftgrndanpethafvtspeivtalaiagtlkfn petdfltgkdgkkfkleapdadelpraefdpgqdtyqhppkdssgqrvdvsptsqrlqll epfdkwdgkdledlqilikvkgkcttdhisaagpwlkfrghldnisnnlligainsenrk ansvrnavtqefgpvpdtaryykqhgirwvvigdenygegssrehraleprflggraiit ksfarihetnlkkqgllpltfadpadynkihpvdkltiqglkdfapgkpltciikhpngt qetillnhtfnetqiewfragsalnrmkelqqk