Chains and heterogens:
PDB Chain Sequences:
>4txmA (A:) matvqpivnshlseldedvfhhfgfttksfdfkekfgdvkfvcvcgssgrihnfaismak laglalpveniagsharfvlykvdhilfadhgmgipsalimlhevtkllhyagckdvlfi rlgtsgglgvkpgtivlsdrcvntklepynelcilgkpvrrqtivdlntvnelkklsenl slecsvvvggtiaandfyeeqgrldgsictfskeeklaflqsayehgirnmemegtaits hcyltghrailvcvtavnrlegdqitistdeftlfaqrpgqlvgeylkrnngiivr
>4txmA (A:) vnshlseldedvfhhfgfttksfdfkekfgdvkfvcvcgssgrihnfaismaklagpven iagsharfvlykvdhilfadhgmgipsalimlhevtkllhyagckdvlfirlgtsgglgv kpgtivlsdrcvntklepynelcilgkpvrrqtivdlntvnelkklsenlslecsvvvgg tiaandfyeeqgrldgsictfskeeklaflqsayehgirnmemegtaitshcyltghrai lvcvtavnrlegdqitistdeftlfaqrpgqlvgeylkrnngii
>4txmB (B:) matvqpivnshlseldedvfhhfgfttksfdfkekfgdvkfvcvcgssgrihnfaismak laglalpveniagsharfvlykvdhilfadhgmgipsalimlhevtkllhyagckdvlfi rlgtsgglgvkpgtivlsdrcvntklepynelcilgkpvrrqtivdlntvnelkklsenl slecsvvvggtiaandfyeeqgrldgsictfskeeklaflqsayehgirnmemegtaits hcyltghrailvcvtavnrlegdqitistdeftlfaqrpgqlvgeylkrnngiivr
>4txmB (B:) ivnshlseldedvfhhfgfttksfdfkekfgdvkfvcvcgssgrihnfaismaklagven iagsharfvlykvdhilfadhgmgipsalimlhevtkllhyagckdvlfirlgtsgglgv kpgtivlsdrcvntklepynelcilgkpvrrqtivdlntvnelkklsenllecsvvvggt iaandfyeeqgrldgsictfskeeklaflqsayehgirnmemegtaitshcyltghrail vcvtavnrlegdqitistdeftlfaqrpgqlvgeylkrnngi