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General Overview

Human Carbonic Anhydrase I is an enzyme used to catalyze the conversion of carbon dioxide into carbonic acid then back into carbon dioxide. According to Supuran CT, Carbonic Anhydrase also plays a key role by providing CO2 transport in the blood, in turn helping respiration processes[3]. It is listed in protein data banks under the ID 2CAB. This protein is produced by the Human CA1 gene. Human Carbonic Anhydrase I was discovered in 1932 and is found within Class One of the three Carbonic Anhydrases. Class one is designated for alpha carbonic anhydrases found in mammals, class two for beta carbonic anhydrases found in plants or bacteria and finally class 3 which is gamma carbonic anhydrases found in methanogen bacteria in hot springs. Unlike many enzymes, Human Carbonic Anhydrase I can be found in many different places in the body and perform various tasks.

Function

Structure and Highlights

The molecular weight of this structure is 28.85kDa with an atom count of 2,010. There are a total of 260 amino acids in this protein, with the first amino acid in the sequence being alanine and the last being phenylalanine. The first four amino acids are not represented in this model. In the center of this protein is a Zn^2+ ion. This structure contains five with a total of 48 amino acids used to form them. They have lengths of approximately 10,8,14,5 and 11 amino acids in respect to chain-sequential order. There are also ten formed with a total of 72 amino acids. They have lengths of 3,8,7,10,9,12,6,6,7 and 4 amino acids in respect to chain-sequential order. The beta sheets of this protein form a majority of the inner bulk. They are aligned in a formation in which they all sit upon a common axis. lastly, The beta sheets twist around the Zn^2+ ion to avoid direct contact.

relevance

Structural highlights

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