1r76
From Proteopedia
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| - | [[Image:1r76.jpg|left|200px]] | + | [[Image:1r76.jpg|left|200px]] |
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| - | '''Structure of a pectate lyase from Azospirillum irakense''' | + | {{Structure |
| + | |PDB= 1r76 |SIZE=350|CAPTION= <scene name='initialview01'>1r76</scene>, resolution 2.65Å | ||
| + | |SITE= | ||
| + | |LIGAND= <scene name='pdbligand=HG:MERCURY+(II)+ION'>HG</scene>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=IPA:ISOPROPYL+ALCOHOL'>IPA</scene> and <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene> | ||
| + | |ACTIVITY= [http://en.wikipedia.org/wiki/Pectate_lyase Pectate lyase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=4.2.2.2 4.2.2.2] | ||
| + | |GENE= pelA ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=34011 Azospirillum irakense]) | ||
| + | }} | ||
| + | |||
| + | '''Structure of a pectate lyase from Azospirillum irakense''' | ||
| + | |||
==Overview== | ==Overview== | ||
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==About this Structure== | ==About this Structure== | ||
| - | 1R76 is a [ | + | 1R76 is a [[Single protein]] structure of sequence from [http://en.wikipedia.org/wiki/Azospirillum_irakense Azospirillum irakense]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1R76 OCA]. |
==Reference== | ==Reference== | ||
| - | Azospirillum irakense pectate lyase displays a toroidal fold., Novoa De Armas H, Verboven C, De Ranter C, Desair J, Vande Broek A, Vanderleyden J, Rabijns A, Acta Crystallogr D Biol Crystallogr. 2004 Jun;60(Pt 6):999-1007. Epub 2004, May 21. PMID:[http:// | + | Azospirillum irakense pectate lyase displays a toroidal fold., Novoa De Armas H, Verboven C, De Ranter C, Desair J, Vande Broek A, Vanderleyden J, Rabijns A, Acta Crystallogr D Biol Crystallogr. 2004 Jun;60(Pt 6):999-1007. Epub 2004, May 21. PMID:[http://www.ncbi.nlm.nih.gov/pubmed/15159558 15159558] |
[[Category: Azospirillum irakense]] | [[Category: Azospirillum irakense]] | ||
[[Category: Pectate lyase]] | [[Category: Pectate lyase]] | ||
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[[Category: a-helical structure]] | [[Category: a-helical structure]] | ||
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 13:47:46 2008'' |
Revision as of 11:47, 20 March 2008
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| , resolution 2.65Å | |||||||
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| Ligands: | , , and | ||||||
| Gene: | pelA (Azospirillum irakense) | ||||||
| Activity: | Pectate lyase, with EC number 4.2.2.2 | ||||||
| Coordinates: | save as pdb, mmCIF, xml | ||||||
Structure of a pectate lyase from Azospirillum irakense
Overview
The three-dimensional structure of Azospirillum irakense pectate lyase (PelA) has been determined at a resolution of 2.65 A. The crystals are hexagonal, belonging to space group P6(5)22, with unit-cell parameters a = b = 85.37, c = 231.32 angstroms. Phase information was derived from a multiple-wavelength anomalous dispersion (MAD) experiment using a Hg derivative. Refinement of the model converged to Rcryst = 20.08% and Rfree = 25.87%. The overall structure of PelA does not adopt the characteristic parallel beta-helix fold displayed by pectate lyases from polysaccharide lyase (PL) families PL1, PL3 and PL9. Instead, it displays a predominantly alpha-helical structure with irregular coils and short beta-strands, similar to the recently reported structure of the catalytic module of the Cellvibrio japonicus pectate lyase Pel10Acm. The topologies of the two structures have been compared. They show two 'domains' with the interface between them being a wide-open central groove in which the active site is located. The active sites of the crystal structures are also compared and their similarities and differences are discussed.
About this Structure
1R76 is a Single protein structure of sequence from Azospirillum irakense. Full crystallographic information is available from OCA.
Reference
Azospirillum irakense pectate lyase displays a toroidal fold., Novoa De Armas H, Verboven C, De Ranter C, Desair J, Vande Broek A, Vanderleyden J, Rabijns A, Acta Crystallogr D Biol Crystallogr. 2004 Jun;60(Pt 6):999-1007. Epub 2004, May 21. PMID:15159558
Page seeded by OCA on Thu Mar 20 13:47:46 2008
