Chains and heterogens:
PDB Chain Sequences:
>1ud6A (A:) dglngtmmqyyewhlendgqhwnrlhddaaalsdagitaiwippaykgnsqadvgygayd lydlgefnqkgtvrtkygtkaqleraigslksndinvygdvvmnhkmgadfteavqavqv nptnrwqdisgaytidawtgfdfsgrnnaysdfkwrwfhfngvdwdqryqenhifrfant nwnwrvdeengnydyllgsnidfshpevqdelkdwgswftdeldldgyrldaikhipfwy tsdwvrhqrneadqdlfvvgeywkddvgalefyldemnwemslfdvplnynfyrasqqgg sydmrnilrgslveahpmhavtfvdnhdtqpgesleswvadwfkplayatiltreggypn vfygdyygipndnisakkdmidelldarqnyaygtqhdyfdhwdvvgwtregsssrpnsg latimsngpggskwmyvgrqnagqtwtdltgnngasvtingdgwgefftnggsvsvyvnq