Chains and heterogens:
PDB Chain Sequences:
>6ul4A (A:) gplgseilnniilnlrykdnnlidlsgygakvevydgvelndknqfkltssanskirvtq nqniifnsvfldfsvsfwiripkykndgiqnyihneytiincmknnsgwkisirgnriiw tlidingktksvffeynirediseyinrwffvtitnnlnnakiyingklesntdikdire viangeiifkldgdidrtqfiwmkyfsifntelsqsnieerykiqsyseylkdfwgnplm ynkeyymfnagnknsyiklkkdspvgeiltrskynqnskyinyrdlyigekfiirrksns qsinddivrkedyiyldffnlnqewrvytykyfkkeeeklflapisdsdefyntiqikey deqptyscqllfkkdeestdeigligihrfyesgivfeeykdyfciskwylkevkrkpyn lklgcnwqfipkdegwte
>6ul4A (A:) lnniilnlrykdnnlidlsgygakvevydgvelndknqfkltssanskirvtqnqniifn svfldfsvsfwiripkykndgiqnyihneytiincmknnsgwkisirgnriiwtliding ktksvffeynirediseyinrwffvtitnnlnnakiyingklesntdikdireviangei ifkldgdidrtqfiwmkyfsifntelsqsnieerykiqsyseylkdfwgnplmynkeyym fnagnknsyiklkkdspvgeiltrskynqnskyinyrdlyigekfiirrkssinddivrk edyiyldffnlnqewrvytykyfkkeeeklflapisdsdefyntiqikeydeqptyscql lfkkdeestdeigligihrfyesgivfeeykdyfciskwylkevkrkpynlklgcnwqfi pkdegwte
>6ul4B (B:) mhhhhhhmasmtggqqmgrgsqvqlaesggglvqpggslrlsceasgfhlehfavgwfrq apgkeregvscisasgdsttyadsvkgrstiskdnaknavylqmdslrpedtgdyycaas hfsvcgknirkieyrywgqgtpvtvssepktpkpq
>6ul4B (B:) vqlaesggglvqpggslrlsceasgfhlehfavgwfrqapgkeregvscisasgdsttya dsvkgrstiskdnaknavylqmdslrpedtgdyycaashfsvcgknirkieyrywgqgtp vtvss