Chains and heterogens:
PDB Chain Sequences:
>1qrrA (A:) mkrvmviggdgycgwatalhlskknyevcivdnlvrrlfdhqlglesltpiasihdrisr wkaltgksielyvgdicdfeflaesfksfepdsvvhfgeqrsapysmidrsravytqhnn vigtlnvlfaikefgeechlvklgtmgeygtpnidieegyitithngrtdtlpypkqass fyhlskvhdshniaftckawgiratdlnqgvvygvktdetemheelrnrldydavfgtal nrfcvqaavghpltvygkggqtrgyldirdtvqcveiaianpakagefrvfnqfteqfsv nelaslvtkagsklgldvkkmtvpnprveaeehyynakhtklmelglephylsdslldsl lnfavqfkdrvdtkqimpsvswkkigvktksmtt
>1qrrA (A:) krvmviggdgycgwatalhlskknyevcivdnlvrrlfdhqlglesltpiasihdrisrw kaltgksielyvgdicdfeflaesfksfepdsvvhfgeqrsapysmidrsravytqhnnv igtlnvlfaikefgeechlvklgtmgeygtpnidieegyitithngrtdtlpypkqassf yhlskvhdshniaftckawgiratdlnqgvvygvktdetemheelrnrldydavfgtaln rfcvqaavghpltvygkggqtrgyldirdtvqcveiaianpakagefrvfnqfteqfsvn elaslvtkagsklgldvkkmtvpnprveaeehyynakhtklmelglephylsdslldsll nfavqfkdrvdtkqimpsvswkkigvktks