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The primary structure of iron-superoxide dismutase from Photobacterium leiognathi. 1987

D Barra, and M E Schininà, and W H Bannister, and J V Bannister, and F Bossa

The complete amino acid sequence of iron-superoxide dismutase from Photobacterium leiognathi was determined. The sequence was deduced following characterization of the peptides obtained from tryptic, chymotryptic, and Staphylococcus aureus V-8 protease digests of the apoprotein. The amino acid sequence listed below is made up of 193 residues. It is the first complete sequence to be determined for an iron-superoxide dismutase. The iron-superoxide dismutase shows the same order of homology with the manganese-superoxide dismutases as these enzymes show among themselves. No homology was observed with the copper/zinc-containing class of superoxide dismutases. Ala-Phe-Glu-Leu-Pro-Ala-Leu-Pro-Phe-Ala-Met-Asn-Ala-Leu-Glu-Pro-His-Ile- Ser-Gln-Glu-Thr-Leu-Glu-Tyr-His-Tyr-Gly-Lys-His-His-Asn-Thr-Tyr-Val-Val- Lys-Leu-Asn-Gly-Leu-Val-Glu-Gly-Thr-Glu-Leu-Ala-Glu-Lys-Ser-Leu-Glu-Glu- Ile-Ile-Lys-Thr-Ser-Thr-Gly-Gly-Val-Phe-Asn-Asn-Ala-Ala-Gln-Val-Trp-Asn- His-Thr-Phe-Tyr-Trp-Asn-Cys-Leu-Ala-Pro-Asn-Ala-Gly-Gly-Glu-Pro-Thr-Gly- Glu-Val-Ala-Ala-Ala-Ile-Glu-Lys-Ala-Phe-Gly-Ser-Phe-Ala-Glu-Phe-Lys-Ala- Lys-Phe-Thr-Asp-Ser-Ala-Ile-Asn-Asn-Phe-Gly-Ser-Ser-Trp-Thr-Trp-Leu-Val- Lys-Asn-Ala-Asn-Gly-Ser-Leu-Ala-Ile-Val-Asn-Thr-Ser-Asn-Ala-Gly-Cys-Pro- Ile-Thr-Glu-Glu-Gly-Val-Thr-Pro-Leu-Leu-Thr-Val-Asp-Leu-Trp-Glu-His-Ala- Tyr-Tyr-Ile-Asp-Tyr-Arg-Asn-Leu-Arg-Pro-Ser-Tyr-Met-Asp-Gly-Phe-Trp-Ala- Leu-Val-Asn-Trp-Asp-Phe-Val-Ser-Lys-Asn-Leu-Ala-Ala.

UI MeSH Term Description Entries
D010446 Peptide Fragments Partial proteins formed by partial hydrolysis of complete proteins or generated through PROTEIN ENGINEERING techniques. Peptide Fragment,Fragment, Peptide,Fragments, Peptide
D010450 Endopeptidases A subclass of PEPTIDE HYDROLASES that catalyze the internal cleavage of PEPTIDES or PROTEINS. Endopeptidase,Peptide Peptidohydrolases
D010776 Photobacterium A genus of gram-negative, facultatively anaerobic, rod-shaped bacteria that are common in the marine environment and on the surfaces and in the intestinal contents of marine animals. Some species are bioluminescent and are found as symbionts in specialized luminous organs of fish.
D002918 Chymotrypsin A serine endopeptidase secreted by the pancreas as its zymogen, CHYMOTRYPSINOGEN and carried in the pancreatic juice to the duodenum where it is activated by TRYPSIN. It selectively cleaves aromatic amino acids on the carboxyl side. Alpha-Chymotrypsin Choay,Alphacutanée,Avazyme
D000595 Amino Acid Sequence The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION. Protein Structure, Primary,Amino Acid Sequences,Sequence, Amino Acid,Sequences, Amino Acid,Primary Protein Structure,Primary Protein Structures,Protein Structures, Primary,Structure, Primary Protein,Structures, Primary Protein
D012697 Serine Endopeptidases Any member of the group of ENDOPEPTIDASES containing at the active site a serine residue involved in catalysis. Serine Endopeptidase,Endopeptidase, Serine,Endopeptidases, Serine
D013482 Superoxide Dismutase An oxidoreductase that catalyzes the reaction between SUPEROXIDES and hydrogen to yield molecular oxygen and hydrogen peroxide. The enzyme protects the cell against dangerous levels of superoxide. Hemocuprein,Ag-Zn Superoxide Dismutase,Cobalt Superoxide Dismutase,Cu-Superoxide Dismutase,Erythrocuprein,Fe-Superoxide Dismutase,Fe-Zn Superoxide Dismutase,Iron Superoxide Dismutase,Manganese Superoxide Dismutase,Mn-SOD,Mn-Superoxide Dismutase,Ag Zn Superoxide Dismutase,Cu Superoxide Dismutase,Dismutase, Ag-Zn Superoxide,Dismutase, Cobalt Superoxide,Dismutase, Cu-Superoxide,Dismutase, Fe-Superoxide,Dismutase, Fe-Zn Superoxide,Dismutase, Iron Superoxide,Dismutase, Manganese Superoxide,Dismutase, Mn-Superoxide,Dismutase, Superoxide,Fe Superoxide Dismutase,Fe Zn Superoxide Dismutase,Mn SOD,Mn Superoxide Dismutase,Superoxide Dismutase, Ag-Zn,Superoxide Dismutase, Cobalt,Superoxide Dismutase, Fe-Zn,Superoxide Dismutase, Iron,Superoxide Dismutase, Manganese
D014357 Trypsin A serine endopeptidase that is formed from TRYPSINOGEN in the pancreas. It is converted into its active form by ENTEROPEPTIDASE in the small intestine. It catalyzes hydrolysis of the carboxyl group of either arginine or lysine. EC 3.4.21.4. Tripcellim,Trypure,beta-Trypsin,beta Trypsin

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