This old version of Proteopedia is provided for student assignments while the new version is undergoing repairs. Content and edits done in this old version of Proteopedia after March 1, 2026 will eventually be lost when it is retired in about June of 2026.
Apply for new accounts at the new Proteopedia. Your logins will work in both the old and new versions.
1goi
From Proteopedia
| Line 4: | Line 4: | ||
|PDB= 1goi |SIZE=350|CAPTION= <scene name='initialview01'>1goi</scene>, resolution 1.45Å | |PDB= 1goi |SIZE=350|CAPTION= <scene name='initialview01'>1goi</scene>, resolution 1.45Å | ||
|SITE= | |SITE= | ||
| - | |LIGAND= <scene name='pdbligand= | + | |LIGAND= <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene> |
| - | |ACTIVITY= [http://en.wikipedia.org/wiki/Chitinase Chitinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.14 3.2.1.14] | + | |ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Chitinase Chitinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.14 3.2.1.14] </span> |
|GENE= | |GENE= | ||
| + | |DOMAIN= | ||
| + | |RELATEDENTRY= | ||
| + | |RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1goi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1goi OCA], [http://www.ebi.ac.uk/pdbsum/1goi PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1goi RCSB]</span> | ||
}} | }} | ||
| Line 27: | Line 30: | ||
[[Category: Kolstad, G.]] | [[Category: Kolstad, G.]] | ||
[[Category: Synstad, B.]] | [[Category: Synstad, B.]] | ||
| - | [[Category: GOL]] | ||
| - | [[Category: SO4]] | ||
[[Category: chitin degradation]] | [[Category: chitin degradation]] | ||
[[Category: glycosidase]] | [[Category: glycosidase]] | ||
[[Category: hydrolase]] | [[Category: hydrolase]] | ||
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 20:48:12 2008'' |
Revision as of 17:48, 30 March 2008
| |||||||
| , resolution 1.45Å | |||||||
|---|---|---|---|---|---|---|---|
| Ligands: | , | ||||||
| Activity: | Chitinase, with EC number 3.2.1.14 | ||||||
| Resources: | FirstGlance, OCA, PDBsum, RCSB | ||||||
| Coordinates: | save as pdb, mmCIF, xml | ||||||
CRYSTAL STRUCTURE OF THE D140N MUTANT OF CHITINASE B FROM SERRATIA MARCESCENS AT 1.45 A RESOLUTION
Overview
The crystal structure of the inactive D140N mutant of Serratia marcescens was refined to 1.45 A resolution. The structure of the mutant was essentially identical to that of the wild type, with the exception of a rotation of Asp142 in the catalytic centre. In the mutant, this residue interacts with the catalytic acid (Glu144) and not with residue 140 as in the wild type. Thus, the 500-fold decrease in activity in the D140N mutant seems to be largely mediated by an effect on Asp142, confirming the crucial role of the latter residue in catalysis.
About this Structure
1GOI is a Single protein structure of sequence from Serratia marcescens. Full crystallographic information is available from OCA.
Reference
Structure of the D140N mutant of chitinase B from Serratia marcescens at 1.45 A resolution., Kolstad G, Synstad B, Eijsink VG, van Aalten DM, Acta Crystallogr D Biol Crystallogr. 2002 Feb;58(Pt 2):377-9. Epub 2002, Jan 24. PMID:11807282
Page seeded by OCA on Sun Mar 30 20:48:12 2008
