Chains and heterogens:
PDB Chain Sequences:
>1t77A (A:) gpvslstpaqlvapsvvvkgtlsvtsselyfevdeedpnfkkidpkilayteglhgkwlf teirsifsrryllqntaleifmanrvavmfnfpdpatvkkvvnflprvgvgtsfglpqtr rislasprqlfkasnmtqrwqhreisnfeylmflntiagrsyndlnqypvfpwvitnyes eeldltlptnfrdlskpigalnpkraaffaeryesweddqvpkfhygthystasfvlawl lriepfttyflnlqggkfdhadrtfssisrawrnsqrdtsdikelipefyylpemfvnfn nynlgvmddgtvvsdvelppwaktseefvhinrlalesefvscqlhqwidlifgykqqgp eavralnvfyyltyegavnlnsitdpvlreaveaqirsfgqtpsqlliephppr
>1t77B (B:) gpvslstpaqlvapsvvvkgtlsvtsselyfevdeedpnfkkidpkilayteglhgkwlf teirsifsrryllqntaleifmanrvavmfnfpdpatvkkvvnflprvgvgtsfglpqtr rislasprqlfkasnmtqrwqhreisnfeylmflntiagrsyndlnqypvfpwvitnyes eeldltlptnfrdlskpigalnpkraaffaeryesweddqvpkfhygthystasfvlawl lriepfttyflnlqggkfdhadrtfssisrawrnsqrdtsdikelipefyylpemfvnfn nynlgvmddgtvvsdvelppwaktseefvhinrlalesefvscqlhqwidlifgykqqgp eavralnvfyyltyegavnlnsitdpvlreaveaqirsfgqtpsqlliephppr
>1t77C (C:) gpvslstpaqlvapsvvvkgtlsvtsselyfevdeedpnfkkidpkilayteglhgkwlf teirsifsrryllqntaleifmanrvavmfnfpdpatvkkvvnflprvgvgtsfglpqtr rislasprqlfkasnmtqrwqhreisnfeylmflntiagrsyndlnqypvfpwvitnyes eeldltlptnfrdlskpigalnpkraaffaeryesweddqvpkfhygthystasfvlawl lriepfttyflnlqggkfdhadrtfssisrawrnsqrdtsdikelipefyylpemfvnfn nynlgvmddgtvvsdvelppwaktseefvhinrlalesefvscqlhqwidlifgykqqgp eavralnvfyyltyegavnlnsitdpvlreaveaqirsfgqtpsqlliephppr
>1t77D (D:) gpvslstpaqlvapsvvvkgtlsvtsselyfevdeedpnfkkidpkilayteglhgkwlf teirsifsrryllqntaleifmanrvavmfnfpdpatvkkvvnflprvgvgtsfglpqtr rislasprqlfkasnmtqrwqhreisnfeylmflntiagrsyndlnqypvfpwvitnyes eeldltlptnfrdlskpigalnpkraaffaeryesweddqvpkfhygthystasfvlawl lriepfttyflnlqggkfdhadrtfssisrawrnsqrdtsdikelipefyylpemfvnfn nynlgvmddgtvvsdvelppwaktseefvhinrlalesefvscqlhqwidlifgykqqgp eavralnvfyyltyegavnlnsitdpvlreaveaqirsfgqtpsqlliephppr