Chains and heterogens:
PDB Chain Sequences:
>4tn1A (A:) ghmnkdnlrspiccilghvrtgktklldkirqtnvqegeaggitqqigatyfpveaikqk tavvnkdgkfefkvpglliidtpghesfsnlrsrgsslcniailvvdimhglepqtiesl rllrerktpfvvalnkidrlygwkkienngfresfalqnkavqnefrnrldqvklqfaeq gfnselfyenknfaryvslvptsahtgegipdmlklivqlcqermasslmylselqatvl evkaiegfgvtidvilsngilregdrivlcglegpiktniralltpapmrelrikgqyih hkevkaaqgvkisapglegaiagsrllvvgpdddeeeleeevesd
>4tn1A (A:) mnkdnlrspiccilghvrtgktklldkirqtnvqegeaggitqqigatyfpveaikqkta vvnkdgkfefkvpglliidtpghesfsnlrsrgsslcniailvvdimhglepqtieslrl lrerktpfvvalnkidrlygwkkienngfresfalqnkavqnefrnrldqvklqfaeqgf nselfyenknfaryvslvptsahtgegipdmlklivqlcqermasslmylselqatvlev kaiegfgvtidvilsngilregdrivlcglegpiktniralltpapmrelrikgqyihhk evkaaqgvkisapglegaiagsrllvvgpd
>4tn1B (B:) ghmnkdnlrspiccilghvrtgktklldkirqtnvqegeaggitqqigatyfpveaikqk tavvnkdgkfefkvpglliidtpghesfsnlrsrgsslcniailvvdimhglepqtiesl rllrerktpfvvalnkidrlygwkkienngfresfalqnkavqnefrnrldqvklqfaeq gfnselfyenknfaryvslvptsahtgegipdmlklivqlcqermasslmylselqatvl evkaiegfgvtidvilsngilregdrivlcglegpiktniralltpapmrelrikgqyih hkevkaaqgvkisapglegaiagsrllvvgpdddeeeleeevesd
>4tn1B (B:) nkdnlrspiccilghvrtgktklldkirqtnvqegeaggitqqigatyfpveaikqktav vnkdgkfefkvpglliidtpghesfsnlrsrgsslcniailvvdimhglepqtieslrll rerktpfvvalnkidrlygwkkienngfresfalqnkavqnefrnrldqvklqfaeqgfn selfyenknfaryvslvptsahtgegipdmlklivqlcqermasslmylselqatvlevk aiegfgvtidvilsngilregdrivlcglegpiktniralltpapmrelrikgqyihhke vkaaqgvkisapglegaiagsrllvvgpdd