Chains and heterogens:
PDB Chain Sequences:
>1h4fA (A:) mkravitglgivssignnqqevlaslregrsgitfsqelkdsgmrshvwgnvkldttgli drkvvrfmsdasiyaflsmeqaiadaglspeayqnnprvgliagsgggsprfqvfgadam rgprglkavgpyvvtkamasgvsaclatpfkihgvnysissacatsahcignaveqiqlg kqdivfagggeelcwemacefdamgalstkyndtpekasrtydahrdgfviaggggmvvv eelehalargahiyaeivgygatsdgadmvapsgegavrcmkmamhgvdtpidylnshgt stpvgdvkelaairevfgdkspaisatramtghslgaagvqeaiysllmlehgfiapsin ieeldeqaaglnivtettdrelttvmsnsfgfggtnatlvmrklkd
>1h4fB (B:) mkravitglgivssignnqqevlaslregrsgitfsqelkdsgmrshvwgnvkldttgli drkvvrfmsdasiyaflsmeqaiadaglspeayqnnprvgliagsgggsprfqvfgadam rgprglkavgpyvvtkamasgvsaclatpfkihgvnysissacatsahcignaveqiqlg kqdivfagggeelcwemacefdamgalstkyndtpekasrtydahrdgfviaggggmvvv eelehalargahiyaeivgygatsdgadmvapsgegavrcmkmamhgvdtpidylnshgt stpvgdvkelaairevfgdkspaisatramtghslgaagvqeaiysllmlehgfiapsin ieeldeqaaglnivtettdrelttvmsnsfgfggtnatlvmrklkd
>1h4fC (C:) mkravitglgivssignnqqevlaslregrsgitfsqelkdsgmrshvwgnvkldttgli drkvvrfmsdasiyaflsmeqaiadaglspeayqnnprvgliagsgggsprfqvfgadam rgprglkavgpyvvtkamasgvsaclatpfkihgvnysissacatsahcignaveqiqlg kqdivfagggeelcwemacefdamgalstkyndtpekasrtydahrdgfviaggggmvvv eelehalargahiyaeivgygatsdgadmvapsgegavrcmkmamhgvdtpidylnshgt stpvgdvkelaairevfgdkspaisatramtghslgaagvqeaiysllmlehgfiapsin ieeldeqaaglnivtettdrelttvmsnsfgfggtnatlvmrklkd
>1h4fD (D:) mkravitglgivssignnqqevlaslregrsgitfsqelkdsgmrshvwgnvkldttgli drkvvrfmsdasiyaflsmeqaiadaglspeayqnnprvgliagsgggsprfqvfgadam rgprglkavgpyvvtkamasgvsaclatpfkihgvnysissacatsahcignaveqiqlg kqdivfagggeelcwemacefdamgalstkyndtpekasrtydahrdgfviaggggmvvv eelehalargahiyaeivgygatsdgadmvapsgegavrcmkmamhgvdtpidylnshgt stpvgdvkelaairevfgdkspaisatramtghslgaagvqeaiysllmlehgfiapsin ieeldeqaaglnivtettdrelttvmsnsfgfggtnatlvmrklkd