Chains and heterogens:
PDB Chain Sequences:
>2ckqA (A:) gqqpplalppppplplplplpqppppqppadeqpeprtrrraylwckeflpgawrglred efhisvirgglsnmlfqcslpdttatlgdeprkvllrlygailqvgaeamvlesvmfail aerslgpklygifpqgrleqfipsrrldteelslpdisaeiaekmatfhgmkmpfnkepk wlfgtmekylkevlrikfteesrikklhkllsynlplelenlrsllestpspvvfchndc qegnilllegrensekqklmlidfeyssynyrgfdignhfcewmydysyekypffranir kyptkkqqlhfissylpafqndfenlsteeksiikeemllevnrfalashflwglwsivq akissiefgymdyaqarfdayfhqkrklgv
>2ckqA (A:) prtrrraylwckeflpgawrglredefhisvirgglsnmlfqcslpdttatlgdeprkvl lrlygamvlesvmfailaerslgpklygifpqgrleqfipsrrldteelslpdisaeiae kmatfhgmkmpfnkepkwlfgtmekylkevlrikfteesrikklhkllsynlplelenlr sllestpspvvfchndcqegnilllegrenskqklmlidfeyssynyrgfdignhfcewm ydysyekypffranirkyptkkqqlhfissylpafqndfenlsteeksiikeemllevnr falashflwglwsivqakissiefgymdyaqarfdayfhqkrklgv
>2ckqB (B:) gqqpplalppppplplplplpqppppqppadeqpeprtrrraylwckeflpgawrglred efhisvirgglsnmlfqcslpdttatlgdeprkvllrlygailqvgaeamvlesvmfail aerslgpklygifpqgrleqfipsrrldteelslpdisaeiaekmatfhgmkmpfnkepk wlfgtmekylkevlrikfteesrikklhkllsynlplelenlrsllestpspvvfchndc qegnilllegrensekqklmlidfeyssynyrgfdignhfcewmydysyekypffranir kyptkkqqlhfissylpafqndfenlsteeksiikeemllevnrfalashflwglwsivq akissiefgymdyaqarfdayfhqkrklgv
>2ckqB (B:) qpeprtrrraylwckeflpgawrglredefhisvirgglsnmlfqcslpdttatlgdepr kvllrlygaieamvlesvmfailaerslgpklygifpqgrleqfipsrrldteelslpdi saeiaekmatfhgmkmpfnkepkwlfgtmekylkevlrikfteesrikklhkllsynlpl elenlrsllestpspvvfchndcqegnilllegrqklmlidfeyssynyrgfdignhfce wmydysyekypffranirkyptkkqqlhfissylpafqndfenlsteeksiikeemllev nrfalashflwglwsivqakissiefgymdyaqarfdayfhqkrklgv