1gnf: Difference between revisions
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1gnf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1gnf OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1gnf RCSB], [http://www.ebi.ac.uk/pdbsum/1gnf PDBsum]</span></td></tr> | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1gnf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1gnf OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1gnf RCSB], [http://www.ebi.ac.uk/pdbsum/1gnf PDBsum]</span></td></tr> | ||
</table> | </table> | ||
== Function == | |||
[[http://www.uniprot.org/uniprot/GATA1_MOUSE GATA1_MOUSE]] Transcriptional activator which probably serves as a general switch factor for erythroid development. It binds to DNA sites with the consensus sequence [AT]GATA[AG] within regulatory regions of globin genes and of other genes expressed in erythroid cells.<ref>PMID:2276623</ref> <ref>PMID:8206977</ref> <ref>PMID:8524811</ref> <ref>PMID:15173587</ref> <ref>PMID:16888089</ref> | |||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
Revision as of 19:00, 24 December 2014
SOLUTION STRUCTURE OF THE N-TERMINAL ZINC FINGER OF MURINE GATA-1, NMR, 25 STRUCTURESSOLUTION STRUCTURE OF THE N-TERMINAL ZINC FINGER OF MURINE GATA-1, NMR, 25 STRUCTURES
Structural highlights
Function[GATA1_MOUSE] Transcriptional activator which probably serves as a general switch factor for erythroid development. It binds to DNA sites with the consensus sequence [AT]GATA[AG] within regulatory regions of globin genes and of other genes expressed in erythroid cells.[1] [2] [3] [4] [5] Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedZinc fingers (ZnFs) are generally regarded as DNA-binding motifs. However, a number of recent reports have implicated particular ZnFs in the mediation of protein-protein interactions. The N-terminal ZnF of GATA-1 (NF) is one such finger, having been shown to interact with a number of other proteins, including the recently discovered transcriptional co-factor FOG. Here we solve the three-dimensional structure of the NF in solution using multidimensional 1H/15N NMR spectroscopy, and we use 1H/15N spin relaxation measurements to investigate its backbone dynamics. The structure consists of two distorted beta-hairpins and a single alpha-helix, and is similar to that of the C-terminal ZnF of chicken GATA-1. Comparisons of the NF structure with those of other C4-type zinc binding motifs, including hormone receptor and LIM domains, also reveal substantial structural homology. Finally, we use the structure to map the spatial locations of NF residues shown by mutagenesis to be essential for FOG binding, and demonstrate that these residues all lie on a single face of the NF. Notably, this face is well removed from the putative DNA-binding face of the NF, an observation which is suggestive of simultaneous roles for the NF; that is, stabilisation of GATA-1 DNA complexes and recruitment of FOG to GATA-1-controlled promoter regions. The solution structure of the N-terminal zinc finger of GATA-1 reveals a specific binding face for the transcriptional co-factor FOG.,Kowalski K, Czolij R, King GF, Crossley M, Mackay JP J Biomol NMR. 1999 Mar;13(3):249-62. PMID:10212985[6] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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