1fzg
From Proteopedia
| Line 4: | Line 4: | ||
|PDB= 1fzg |SIZE=350|CAPTION= <scene name='initialview01'>1fzg</scene>, resolution 2.5Å | |PDB= 1fzg |SIZE=350|CAPTION= <scene name='initialview01'>1fzg</scene>, resolution 2.5Å | ||
|SITE= | |SITE= | ||
| - | |LIGAND= <scene name='pdbligand=CA:CALCIUM ION'>CA</scene> | + | |LIGAND= <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene> |
|ACTIVITY= | |ACTIVITY= | ||
|GENE= | |GENE= | ||
| + | |DOMAIN= | ||
| + | |RELATEDENTRY= | ||
| + | |RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1fzg FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fzg OCA], [http://www.ebi.ac.uk/pdbsum/1fzg PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1fzg RCSB]</span> | ||
}} | }} | ||
| Line 14: | Line 17: | ||
==Overview== | ==Overview== | ||
The structure of fragment double-D from human fibrin has been solved in the presence and absence of the peptide ligands that simulate the two knobs exposed by the removal of fibrinopeptides A and B, respectively. All told, six crystal structures have been determined, three of which are reported here for the first time: namely, fragments D and double-D with the peptide GHRPam alone and double-D in the absence of any peptide ligand. Comparison of the structures has revealed a series of conformational changes that are brought about by the various knob-hole interactions. Of greatest interest is a moveable "flap" of two negatively charged amino acids (Glubeta397 and Aspbeta398) whose side chains are pinned back to the coiled coil with a calcium atom bridge until GHRPam occupies the beta-chain pocket. Additionally, in the absence of the peptide ligand GPRPam, GHRPam binds to the gamma-chain pocket, a new calcium-binding site being formed concomitantly. | The structure of fragment double-D from human fibrin has been solved in the presence and absence of the peptide ligands that simulate the two knobs exposed by the removal of fibrinopeptides A and B, respectively. All told, six crystal structures have been determined, three of which are reported here for the first time: namely, fragments D and double-D with the peptide GHRPam alone and double-D in the absence of any peptide ligand. Comparison of the structures has revealed a series of conformational changes that are brought about by the various knob-hole interactions. Of greatest interest is a moveable "flap" of two negatively charged amino acids (Glubeta397 and Aspbeta398) whose side chains are pinned back to the coiled coil with a calcium atom bridge until GHRPam occupies the beta-chain pocket. Additionally, in the absence of the peptide ligand GPRPam, GHRPam binds to the gamma-chain pocket, a new calcium-binding site being formed concomitantly. | ||
| - | |||
| - | ==Disease== | ||
| - | Known diseases associated with this structure: Afibrinogenemia, congenital OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=134820 134820]], Afibrinogenemia, congenital OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=134830 134830]], Amyloidosis, hereditary renal OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=134820 134820]], Dysfibrinogenemia, alpha type, causing bleeding diathesis OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=134820 134820]], Dysfibrinogenemia, alpha type, causing recurrent thrombosis OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=134820 134820]], Dysfibrinogenemia, beta type OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=134830 134830]], Dysfibrinogenemia, gamma type OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=134850 134850]], Hypofibrinogenemia, gamma type OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=134850 134850]], Thrombophilia, dysfibrinogenemic OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=134830 134830]], Thrombophilia, dysfibrinogenemic OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=134850 134850]] | ||
==About this Structure== | ==About this Structure== | ||
| Line 29: | Line 29: | ||
[[Category: Spraggon, G.]] | [[Category: Spraggon, G.]] | ||
[[Category: Veerapandian, L.]] | [[Category: Veerapandian, L.]] | ||
| - | [[Category: CA]] | ||
[[Category: blood coagulation]] | [[Category: blood coagulation]] | ||
[[Category: fibrin]] | [[Category: fibrin]] | ||
| Line 36: | Line 35: | ||
[[Category: platelet]] | [[Category: platelet]] | ||
| - | ''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 20:33:16 2008'' |
Revision as of 17:33, 30 March 2008
| |||||||
| , resolution 2.5Å | |||||||
|---|---|---|---|---|---|---|---|
| Ligands: | , | ||||||
| Resources: | FirstGlance, OCA, PDBsum, RCSB | ||||||
| Coordinates: | save as pdb, mmCIF, xml | ||||||
CRYSTAL STRUCTURE OF FRAGMENT D FROM HUMAN FIBRINOGEN WITH THE PEPTIDE LIGAND GLY-HIS-ARG-PRO-AMIDE
Overview
The structure of fragment double-D from human fibrin has been solved in the presence and absence of the peptide ligands that simulate the two knobs exposed by the removal of fibrinopeptides A and B, respectively. All told, six crystal structures have been determined, three of which are reported here for the first time: namely, fragments D and double-D with the peptide GHRPam alone and double-D in the absence of any peptide ligand. Comparison of the structures has revealed a series of conformational changes that are brought about by the various knob-hole interactions. Of greatest interest is a moveable "flap" of two negatively charged amino acids (Glubeta397 and Aspbeta398) whose side chains are pinned back to the coiled coil with a calcium atom bridge until GHRPam occupies the beta-chain pocket. Additionally, in the absence of the peptide ligand GPRPam, GHRPam binds to the gamma-chain pocket, a new calcium-binding site being formed concomitantly.
About this Structure
1FZG is a Protein complex structure of sequences from Homo sapiens. Full crystallographic information is available from OCA.
Reference
Conformational changes in fragments D and double-D from human fibrin(ogen) upon binding the peptide ligand Gly-His-Arg-Pro-amide., Everse SJ, Spraggon G, Veerapandian L, Doolittle RF, Biochemistry. 1999 Mar 9;38(10):2941-6. PMID:10074346
Page seeded by OCA on Sun Mar 30 20:33:16 2008
