Chains and heterogens:
PDB Chain Sequences:
>1snzA (A:) ghmasvtravfgelpsgggtvekfqlqsdllrvdiiswgctitalevkdrqgrasdvvlg faelegylqkqpyfgavigrvanriakgtfkvdgkeyhlainkepnslhggvrgfdkvlw tprvlsngvqfsrispdgeegypgelkvwvtytldggelivnyraqasqatpvnltnhsy fnlagqaspnindhevtieadtylpvdetliptgevapvqgtafdlrkpvelgkhlqdfh lngfdhnfclkgskekhfcarvhhaasgrvlevyttqpgvqfytgnfldgtlkgkngavy pkhsgfcletqnwpdavnqprfppvllrpgeeydhttwfkfsva
>1snzB (B:) ghmasvtravfgelpsgggtvekfqlqsdllrvdiiswgctitalevkdrqgrasdvvlg faelegylqkqpyfgavigrvanriakgtfkvdgkeyhlainkepnslhggvrgfdkvlw tprvlsngvqfsrispdgeegypgelkvwvtytldggelivnyraqasqatpvnltnhsy fnlagqaspnindhevtieadtylpvdetliptgevapvqgtafdlrkpvelgkhlqdfh lngfdhnfclkgskekhfcarvhhaasgrvlevyttqpgvqfytgnfldgtlkgkngavy pkhsgfcletqnwpdavnqprfppvllrpgeeydhttwfkfsva
>1snzB (B:) masvtravfgelpsgggtvekfqlqsdllrvdiiswgctitalevkdrqgrasdvvlgfa elegylqkqpyfgavigrvanriakgtfkvdgkeyhlainkepnslhggvrgfdkvlwtp rvlsngvqfsrispdgeegypgelkvwvtytldggelivnyraqasqatpvnltnhsyfn lagqaspnindhevtieadtylpvdetliptgevapvqgtafdlrkpvelgkhlqdfhln gfdhnfclkgskekhfcarvhhaasgrvlevyttqpgvqfytgnfldgtlkgkngavypk hsgfcletqnwpdavnqprfppvllrpgeeydhttwfkfsva