Chains and heterogens:
PDB Chain Sequences:
>1rzgA (A:) evqlvqsgaevkkpgssvkvsckasggtfsnyainwvrqapgqglewmggiipifniahy aqrfqgrvsitadeststaymelsslrsedtavfycaspypndyndyapeegmswyfdlw grgtlvtvspastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgv htfpavlqssglyslssvvtvpssslgtqtyicnvnhkpsntkvdkkvepk
>1rzgA (A:) evqlvqsgaevkkpgssvkvsckasggtfsnyainwvrqapgqglewmggiipifniahy aqrfqgrvsitadeststaymelsslrsedtavfycaspypndygmswyfdlwgrgtlvt vspastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavl qssglyslssvvtvpssslgtqtyicnvnhkpsntkvdkkvepk
>1rzgB (B:) diqmtqspstlsasvgdrvtitcrasqsisnwlawyqqkpgrapkllmykasslksgvps rfsgsgsgteftltisslqsddfatyycqqhdsspytfgqgtkleikrtvaapsvfifpp sdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstlt lskadyekhklyacevthqglsspvtksfnrgec
>1rzgB (B:) diqmtqspstlsasvgdrvtitcrasqsisnwlawyqqkpgrapkllmykasslksgvps rfsgsgsgteftltisslqsddfatyycqqhdsspytfgqgtkleikrtvaapsvfifpp sdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstlt lskadyekhklyacevthqglsspvtksfnrge
>1rzgC (C:) evqlvqsgaevkkpgssvkvsckasggtfsnyainwvrqapgqglewmggiipifniahy aqrfqgrvsitadeststaymelsslrsedtavfycaspypndyndyapeegmswyfdlw grgtlvtvspastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgv htfpavlqssglyslssvvtvpssslgtqtyicnvnhkpsntkvdkkvepk
>1rzgC (C:) vqlvqsgaevkkpgssvkvsckasggtfsnyainwvrqapgqglewmggiipifniahya qrfqgrvsitadeststaymelsslrsedtavfycaspypndygmswyfdlwgrgtlvtv spastkgpsvfplaptaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssglysls svvtvpssslgtqtyicnvnhkpsntkvdkkvep
>1rzgD (D:) diqmtqspstlsasvgdrvtitcrasqsisnwlawyqqkpgrapkllmykasslksgvps rfsgsgsgteftltisslqsddfatyycqqhdsspytfgqgtkleikrtvaapsvfifpp sdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstlt lskadyekhklyacevthqglsspvtksfnrgec