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H2-uptake activity, spectra, reduction potentials, and kinetics of iron release on the surface of iron core from Azotobacter vinelandii bacterial ferritin
Bacterial ferritin from Azotobacter vinelandii (AvBFo) has a function in H2 uptake. The Fe3+ reduction on the surface of the iron core from AvBFo is accompanied simultaneously by H2 uptake, with a maximum activity of H2 uptake of 450 H2/AvBFo. A reduction potential of -402 mV for iron reduction on t...
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| Published in: | Journal of Protein Chemistry 1998-01, Vol.17 (1), p.45-52 |
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| Main Authors: | , , , , , , , , , |
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| container_end_page | 52 |
| container_issue | 1 |
| container_start_page | 45 |
| container_title | Journal of Protein Chemistry |
| container_volume | 17 |
| creator | Huang, H Q Xu, L S Zhang, F Z Qui, X H Lin, Q M Huang, J W Zao, H Huang, N C Zeng, R Y Zeng, D |
| description | Bacterial ferritin from Azotobacter vinelandii (AvBFo) has a function in H2 uptake. The Fe3+ reduction on the surface of the iron core from AvBFo is accompanied simultaneously by H2 uptake, with a maximum activity of H2 uptake of 450 H2/AvBFo. A reduction potential of -402 mV for iron reduction on the surface of the core is found. A shift to the red the protein absorbance peaks ranging from 280 to 290 nm is observed between pH 5 and 9 under 100% H2 reduction. The reduction potential for iron release becomes negative at a rate of 0.025 mV/Fe2+ released. The kinetics of iron release on the surface of the core is a first-order reaction. |
| doi_str_mv | 10.1023/A:1022538530701 |
| format | article |
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The Fe3+ reduction on the surface of the iron core from AvBFo is accompanied simultaneously by H2 uptake, with a maximum activity of H2 uptake of 450 H2/AvBFo. A reduction potential of -402 mV for iron reduction on the surface of the core is found. A shift to the red the protein absorbance peaks ranging from 280 to 290 nm is observed between pH 5 and 9 under 100% H2 reduction. The reduction potential for iron release becomes negative at a rate of 0.025 mV/Fe2+ released. The kinetics of iron release on the surface of the core is a first-order reaction.</description><identifier>ISSN: 0277-8033</identifier><identifier>ISSN: 1572-3887</identifier><identifier>EISSN: 1573-4943</identifier><identifier>DOI: 10.1023/A:1022538530701</identifier><identifier>PMID: 9491927</identifier><language>eng</language><publisher>United States: Springer Nature B.V</publisher><subject>Azotobacter ; Azotobacter vinelandii ; Azotobacter vinelandii - chemistry ; Azotobacter vinelandii - metabolism ; Bacteria ; Bacterial Proteins - chemistry ; Bacterial Proteins - metabolism ; Electrode potentials ; Ferritin ; Ferritins - chemistry ; Ferritins - metabolism ; Hydrogen - chemistry ; Hydrogen - metabolism ; Hydrogen-Ion Concentration ; Iron ; Kinetics ; Molecular biology ; Oxidation-Reduction ; Proteins ; Reduction ; Spectrophotometry, Ultraviolet</subject><ispartof>Journal of Protein Chemistry, 1998-01, Vol.17 (1), p.45-52</ispartof><rights>Plenum Publishing Corporation 1998.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c304t-c7834f39b722baf4db1c07a453a55670e9c4f38df7197fa2ca26a66b2a29603</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27922,27923</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/9491927$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Huang, H Q</creatorcontrib><creatorcontrib>Xu, L S</creatorcontrib><creatorcontrib>Zhang, F Z</creatorcontrib><creatorcontrib>Qui, X H</creatorcontrib><creatorcontrib>Lin, Q M</creatorcontrib><creatorcontrib>Huang, J W</creatorcontrib><creatorcontrib>Zao, H</creatorcontrib><creatorcontrib>Huang, N C</creatorcontrib><creatorcontrib>Zeng, R Y</creatorcontrib><creatorcontrib>Zeng, D</creatorcontrib><title>H2-uptake activity, spectra, reduction potentials, and kinetics of iron release on the surface of iron core from Azotobacter vinelandii bacterial ferritin</title><title>Journal of Protein Chemistry</title><addtitle>J Protein Chem</addtitle><description>Bacterial ferritin from Azotobacter vinelandii (AvBFo) has a function in H2 uptake. The Fe3+ reduction on the surface of the iron core from AvBFo is accompanied simultaneously by H2 uptake, with a maximum activity of H2 uptake of 450 H2/AvBFo. A reduction potential of -402 mV for iron reduction on the surface of the core is found. A shift to the red the protein absorbance peaks ranging from 280 to 290 nm is observed between pH 5 and 9 under 100% H2 reduction. The reduction potential for iron release becomes negative at a rate of 0.025 mV/Fe2+ released. The kinetics of iron release on the surface of the core is a first-order reaction.</description><subject>Azotobacter</subject><subject>Azotobacter vinelandii</subject><subject>Azotobacter vinelandii - chemistry</subject><subject>Azotobacter vinelandii - metabolism</subject><subject>Bacteria</subject><subject>Bacterial Proteins - chemistry</subject><subject>Bacterial Proteins - metabolism</subject><subject>Electrode potentials</subject><subject>Ferritin</subject><subject>Ferritins - chemistry</subject><subject>Ferritins - metabolism</subject><subject>Hydrogen - chemistry</subject><subject>Hydrogen - metabolism</subject><subject>Hydrogen-Ion Concentration</subject><subject>Iron</subject><subject>Kinetics</subject><subject>Molecular biology</subject><subject>Oxidation-Reduction</subject><subject>Proteins</subject><subject>Reduction</subject><subject>Spectrophotometry, Ultraviolet</subject><issn>0277-8033</issn><issn>1572-3887</issn><issn>1573-4943</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><recordid>eNpdkU9LAzEQxYMotVbPnoTgwVPX5s_uZuOtiFpB8KD3JZudYGy7WZNsoX4UP62RFkFPE2Z-eW-Yh9A5JdeUMD6b36TCCl4VnAhCD9CYFoJnucz5IRoTJkRWEc6P0UkI74QQWVVkhEYyl1QyMUZfC5YNfVRLwEpHu7FxO8WhBx29mmIP7ZC6rsO9i9BFq1ZhilXX4qXtIFodsDPY-gR4WIEKgNMzvgEOgzdKw-9YOw_YeLfG808XXZPMwONNUlklOWvxrpMMsAHvbbTdKToyyQ_O9nWCXu7vXm8X2dPzw-Pt_CnTnOQx06LiueGyEYw1yuRtQzURKi-4KopSEJA6javWCCqFUUwrVqqybJhisiR8gq52qr13HwOEWK9t0LBKa4EbQi2koESkc07Q5T_w3Q2-S5vVsuQFl1VZJWi2g7R3IXgwde_tWvltTUn9E1g9r_8Eln5c7GWHZg3tL79PiH8DXJySew</recordid><startdate>199801</startdate><enddate>199801</enddate><creator>Huang, H Q</creator><creator>Xu, L S</creator><creator>Zhang, F Z</creator><creator>Qui, X H</creator><creator>Lin, Q M</creator><creator>Huang, J W</creator><creator>Zao, H</creator><creator>Huang, N C</creator><creator>Zeng, R Y</creator><creator>Zeng, D</creator><general>Springer Nature B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QL</scope><scope>7TK</scope><scope>7TM</scope><scope>7U7</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>88I</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>199801</creationdate><title>H2-uptake activity, spectra, reduction potentials, and kinetics of iron release on the surface of iron core from Azotobacter vinelandii bacterial ferritin</title><author>Huang, H Q ; Xu, L S ; Zhang, F Z ; Qui, X H ; Lin, Q M ; Huang, J W ; Zao, H ; Huang, N C ; Zeng, R Y ; Zeng, D</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c304t-c7834f39b722baf4db1c07a453a55670e9c4f38df7197fa2ca26a66b2a29603</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Azotobacter</topic><topic>Azotobacter vinelandii</topic><topic>Azotobacter vinelandii - chemistry</topic><topic>Azotobacter vinelandii - metabolism</topic><topic>Bacteria</topic><topic>Bacterial Proteins - chemistry</topic><topic>Bacterial Proteins - metabolism</topic><topic>Electrode potentials</topic><topic>Ferritin</topic><topic>Ferritins - chemistry</topic><topic>Ferritins - metabolism</topic><topic>Hydrogen - chemistry</topic><topic>Hydrogen - metabolism</topic><topic>Hydrogen-Ion Concentration</topic><topic>Iron</topic><topic>Kinetics</topic><topic>Molecular biology</topic><topic>Oxidation-Reduction</topic><topic>Proteins</topic><topic>Reduction</topic><topic>Spectrophotometry, Ultraviolet</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Huang, H Q</creatorcontrib><creatorcontrib>Xu, L S</creatorcontrib><creatorcontrib>Zhang, F Z</creatorcontrib><creatorcontrib>Qui, X H</creatorcontrib><creatorcontrib>Lin, Q M</creatorcontrib><creatorcontrib>Huang, J W</creatorcontrib><creatorcontrib>Zao, H</creatorcontrib><creatorcontrib>Huang, N C</creatorcontrib><creatorcontrib>Zeng, R Y</creatorcontrib><creatorcontrib>Zeng, D</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Neurosciences Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Health Medical collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>AUTh Library subscriptions: ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection (Proquest) (PQ_SDU_P3)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Materials Science Database</collection><collection>Biological Sciences</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>PML(ProQuest Medical Library)</collection><collection>ProQuest Science Journals</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of Protein Chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Huang, H Q</au><au>Xu, L S</au><au>Zhang, F Z</au><au>Qui, X H</au><au>Lin, Q M</au><au>Huang, J W</au><au>Zao, H</au><au>Huang, N C</au><au>Zeng, R Y</au><au>Zeng, D</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>H2-uptake activity, spectra, reduction potentials, and kinetics of iron release on the surface of iron core from Azotobacter vinelandii bacterial ferritin</atitle><jtitle>Journal of Protein Chemistry</jtitle><addtitle>J Protein Chem</addtitle><date>1998-01</date><risdate>1998</risdate><volume>17</volume><issue>1</issue><spage>45</spage><epage>52</epage><pages>45-52</pages><issn>0277-8033</issn><issn>1572-3887</issn><eissn>1573-4943</eissn><abstract>Bacterial ferritin from Azotobacter vinelandii (AvBFo) has a function in H2 uptake. The Fe3+ reduction on the surface of the iron core from AvBFo is accompanied simultaneously by H2 uptake, with a maximum activity of H2 uptake of 450 H2/AvBFo. A reduction potential of -402 mV for iron reduction on the surface of the core is found. A shift to the red the protein absorbance peaks ranging from 280 to 290 nm is observed between pH 5 and 9 under 100% H2 reduction. The reduction potential for iron release becomes negative at a rate of 0.025 mV/Fe2+ released. The kinetics of iron release on the surface of the core is a first-order reaction.</abstract><cop>United States</cop><pub>Springer Nature B.V</pub><pmid>9491927</pmid><doi>10.1023/A:1022538530701</doi><tpages>8</tpages></addata></record> |
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| ispartof | Journal of Protein Chemistry, 1998-01, Vol.17 (1), p.45-52 |
| issn | 0277-8033 1572-3887 1573-4943 |
| language | eng |
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| subjects | Azotobacter Azotobacter vinelandii Azotobacter vinelandii - chemistry Azotobacter vinelandii - metabolism Bacteria Bacterial Proteins - chemistry Bacterial Proteins - metabolism Electrode potentials Ferritin Ferritins - chemistry Ferritins - metabolism Hydrogen - chemistry Hydrogen - metabolism Hydrogen-Ion Concentration Iron Kinetics Molecular biology Oxidation-Reduction Proteins Reduction Spectrophotometry, Ultraviolet |
| title | H2-uptake activity, spectra, reduction potentials, and kinetics of iron release on the surface of iron core from Azotobacter vinelandii bacterial ferritin |
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