Chains and heterogens:
PDB Chain Sequences:
>1igfH (H:) evqlvesggdlvkpggslklscaasgftfsrcamswvrqtpekrlewvagissggsytfy pdtvkgrfiisrnnarntlslqmsslrsedtaiyyctryssdpfyfdywgqgttltvssa kttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdl ytlsssvtvpssprpsetvtcnvahpasstkvdkkivp
>1igfJ (J:) evqlvesggdlvkpggslklscaasgftfsrcamswvrqtpekrlewvagissggsytfy pdtvkgrfiisrnnarntlslqmsslrsedtaiyyctryssdpfyfdywgqgttltvssa kttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdl ytlsssvtvpssprpsetvtcnvahpasstkvdkkivp
>1igfL (L:) dvlmtqtplslpvslgdqasiscrsnqtillsdgdtylewylqkpgqspklliykvsnrf sgvpdrfsgsgsgtdftlkisrveaedlgvyycfqgshvpptfgggtkleikradaaptv sifppsseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysm sstltltkdeyerhnsytceathktstspivksfnrnec
>1igfM (M:) dvlmtqtplslpvslgdqasiscrsnqtillsdgdtylewylqkpgqspklliykvsnrf sgvpdrfsgsgsgtdftlkisrveaedlgvyycfqgshvpptfgggtkleikradaaptv sifppsseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysm sstltltkdeyerhnsytceathktstspivksfnrnec