>4XZ5_1|Chains A, B, C, D|Carbonic anhydrase, alpha family|Thiomicrospira crunogena (strain XCL-2) (317025) PPHWGYFGEEGPQYWGELAPEFSTCKTGKNQSPINLKPQTAVGTTSLPGFDVYYRETALKLINNGHTLQVNIPLGSYIKINGHRYELLQYHFHTPSEHQRDGFNYPMEMHLVHKDGDGNLAVIAILFQEGEENETLAKLMSFLPQTLKKQEIHESVKIHPAKFFPADKKFYKYSGSLTTPPCSEGVYWMVFKQPIQASVTQLEKMHEYLGSNARPVQRQNARTLLKSWPDRNA