>3AZC_1|Chain A|Cytochrome b6-f complex iron-sulfur subunit|Thermosynechococcus elongatus (197221) HHIEGRAVAKDALGNDIKVSEYLAKHLPGDRSLAQGIKGDPTYVIVTEDHQIANYGLNAVCTHLGCVVPWNVSENKFICPCHGSQYDSTGKVVRGPAPLSLALVKATVTEDDKLVFTPWTEIDFRTGKEPWWT