Chains and heterogens:
PDB Chain Sequences:
>3a8uX (X:) nmpehagaslasqlkldahwmpytanrnflrdprlivaaegswlvddkgrkvydslsglw tcgaghtrkeiqeavakqlstldyspgfqyghplsfqlaekitdltpgnlnhvfftdsgs ecaltavkmvraywrlkgqatktkmigrargyhgvniagtslggvngnrklfgqpmqdvd hlphtllasnaysrgmpkeggialadellklielhdasniaavfveplagsagvlvppeg ylkrnreicnqhnillvfdevitgfgrtgsmfgadsfgvtpdlmciakqvtngaipmgav iasteiyqtfmnqptpeyavefphgytysahpvacaaglaalcllqkenlvqsvaevaph fekalhgikgaknvidirnfglagaiqiaprdgdaivrpfeagmalwkagfyvrfggdtl qfgptfnskpqdldrlfdavgevlnklld
>3a8uX (X:) aslasqlkldahwmpytanrnflrdprlivaaegswlvddkgrkvydslsglwtcgaght rkeiqeavakqlstldyspgfqyghplsfqlaekitdltpgnlnhvfftdsgsecaltav kmvraywrlkgqatktkmigrargyhgvniagtslggvngnrklfgqpmqdvdhlphtll asnaysrgmpkeggialadellklielhdasniaavfveplagsagvlvppegylkrnre icnqhnillvfdevitgfgrtgsmfgadsfgvtpdlmciakqvtngaipmgaviasteiy qtfmnqptpeyavefphgytysahpvacaaglaalcllqkenlvqsvaevaphfekalhg ikgaknvidirnfglagaiqiaprdgdaivrpfeagmalwkagfyvrfggdtlqfgptfn skpqdldrlfdavgevlnkll