Chains and heterogens:
PDB Chain Sequences:
>4y2hA (A:) siaaereaalerprrtkrerdqlyyecysdvsvheemiadrvrtdayrlgilrnwaalrg ktvldvgagtgilsifcaqagarrvyaveasaiwqqarevvrfngledrvhvlpgpvetv elpeqvdaivsewmgygllhesmlssvlhartkwlkegglllpasaelfiapisdqmlew rlgfwsqvkqhygvdmsclegfatrclmghseivvqglsgedvlarpqrfaqlelsragl eqeleagvggrfrcscygsapmhgfaiwfqvtfpggesekplvlstspfhpathwkqall ylnepvqveqdtdvsgeitllpsrdnprrlrvllrykvgdqeektkdfamed
>4y2hA (A:) tkrerdqlyyecysdvsvheemiadrvrtdayrlgilrnwaalrgktvldvgagtgilsi fcaqagarrvyaveasaiwqqarevvrfngledrvhvlpgpvetvelpeqvdaivsewmg ygllhesmlssvlhartkwlkegglllpasaelfiapisdqmlewrlgfwsqvkqhygvd msclegfatrclmghseivvqglsgedvlarpqrfaqlelsragleqeleagvggrfrcs cygsapmhgfaiwfqvtfpggesekplvlstspfhpathwkqallylnepvqveqdtdvs geitllpsrdnprrlrvllrykvgdqeektkdfamed
>4y2hB (B:) siaaereaalerprrtkrerdqlyyecysdvsvheemiadrvrtdayrlgilrnwaalrg ktvldvgagtgilsifcaqagarrvyaveasaiwqqarevvrfngledrvhvlpgpvetv elpeqvdaivsewmgygllhesmlssvlhartkwlkegglllpasaelfiapisdqmlew rlgfwsqvkqhygvdmsclegfatrclmghseivvqglsgedvlarpqrfaqlelsragl eqeleagvggrfrcscygsapmhgfaiwfqvtfpggesekplvlstspfhpathwkqall ylnepvqveqdtdvsgeitllpsrdnprrlrvllrykvgdqeektkdfamed