Chains and heterogens:
PDB Chain Sequences:
>1smpA (A:) tgydavddllhyhergngiqingkdsfsneqaglfitrenqtwngykvfgqpvkltfsfp dykfsstnvagdtglskfsaeqqqqaklslqswadvanitftevaagqkanitfgnysqd rpghydygtqayaflpntiwqgqdlggqtwynvnqsnvkhpatedygrqtftheighalg lshpgdynagegnptyndvtyaedtrqfslmsywsetntggdngghyaaapllddiaaiq hlyganlstrtgdtvygfnsntgrdflsttsnsqkvifaawdaggndtfdfsgytanqri nlneksfsdvgglkgnvsiaagvtienaiggsgndvivgnaannvlkggagndvlfgggg adelwggagkdifvfsaasdsapgasdwirdfqkgidkidlsffnkeanssdfihfvdhf sgtageallsynassnvtdlsvnigghqapdflvkivgqvdvatdfiv
>1smpI (I:) sslrlpsaaelsgqwvlsgaeqhcdirlntdvldgttwklagdtaclqkllpeapvgwrp tpdgltltqadgsavaffsrnrdryehklvdgsvrtlkkk