Chains and heterogens:
PDB Chain Sequences:
>5n4fA (A:) mssvtwapgnypstrrsdhvdtyqsaskgevpvpdpyqwleestdevdkwttaqadlaqs yldqnadiqklaekfrasrnyakfsaptllddghwywfynrglqsqsvlyrskepalpdf skgddnvgdvffdpnvlaadgsagmvlckfspdgkffayavshlggdystiyvrstsspl sqasvaqgvdgrlsdevkwfkfstiiwtkdskgflyqryparerhegtrsdrnammcyhk vgttqeediivyqdnehpewiygadtsedgkylylyqfkdtskknllwvaeldedgvksg ihwrkvvneyaadyniitnhgslvyiktnlnapqykvitidlskdepeirdfipeekdak laqvncaneeyfvaiykrnvkdeiylyskagvqltrlapdfvgaasianrqkqthffltl sgfntpgtiarydftapetqrfsilrttkvneldpddfestqvwyeskdgtkipmfivrh kstkfdgtaaaiqygyggfatsadpffspiiltflqtygaifavpsirgggefgeewhkg grretkvntfddfiaaaqflvknkyaapgkvaingasnggllvmgsivrapegtfgaavp eggvadllkfhkftggqawiseygnpsipeefdyiyplspvhnvrtdkvmpatlitvnig dgrvvpmhsfkfiatlqhnvpqnphpllikidkswlghgmgkptdknvkdaadkwgfiar alglelktve
>5n4fA (A:) apgnypstrrsdhvdtyqsaskgevpvpdpyqwleestdevdkwttaqadlaqsyldqna diqklaekfrasrnyakfsaptllddghwywfynrglqsqsvlyrskepalpdfskgddn vgdvffdpnvlaadgsagmvlckfspdgkffayavshlggdystiyvrstssplsqasva qgvdgrlsdevkwfkfstiiwtkdskgflyqryparsdrnammcyhkvgttqeediivyq dnehpewiygadtsedgkylylyqfkdtskknllwvaeldgvksgihwrkvvneyaadyn iitnhgslvyiktnlnapqykvitidlskdepeirdfipeekdaklaqvncaneeyfvai ykrnvkdeiylyskagvqltrlapdfvgaasianrqkqthffltlsgfntpgtiarydft apetqrfsilrttkvneldpddfestqvwyeskdgtkipmfivrhkstkfdgtaaaiqyg yggfatsadpffspiiltflqtygaifavpsirgggefgeewhkggrretkvntfddfia aaqflvknkyaapgkvaingasnggllvmgsivrapegtfgaavpeggvadllkfhkftg gqawiseygnpsipeefdyiyplspvhnvrtdkvmpatlitvnigdgrvvpmhsfkfiat lqhnvpqnphpllikidkswtdknvkdaadkwgfiaralglel