Chains and heterogens:
PDB Chain Sequences:
>2yhsA (A:) makekkrgffswlgfgqkeqtpeketevqneqpvveeivqaqepvkaseqaveeqpqaht eaeaetfaadvvevteqvaesekaqpeaevvaqpepvveetpepvaiereelplpedvna eavspeewqaeaetveiveaaeeeaakeeitdeeletalaaeaaeeavmvvppaeeeqpv eeiaqeqekptkegffarlkrsllktkenlgsgfislfrgkkidddlfeeleeqlliadv gvettrkiitnltegasrkqlrdaealygllkeemgeilakvdeplnvegkapfvilmvg vngvgktttigklarqfeqqgksvmlaagdtfraaaveqlqvwgqrnnipviaqhtgads asvifdaiqaakarnidvliadtagrlqnkshlmeelkkivrvmkkldveaphevmltid astgqnavsqaklfheavgltgitltkldgtakggvifsvadqfgipiryigvgeriedl rpfkaddfiealfaredhhhhhh
>2yhsA (A:) ekptkegffarlkrsllktkenlgsgfislfrgkkidddlfeeleeqlliadvgvettrk iitnltegasrkqlrdaealygllkeemgeilakvdeplnvegkapfvilmvgvngvgkt ttigklarqfeqqgksvmlaagdtfraaaveqlqvwgqrnnipviaqhtgadsasvifda iqaakarnidvliadtagrlqnkshlmeelkkivrvmkkldveaphevmltidastgqna vsqaklfheavgltgitltkldgtakggvifsvadqfgipiryigvgeriedlrpfkadd fiealfar