ISDA

Deposition Date 2009-06-30

Release Date 2009-12-22

Last Version Date 2023-09-06

Entry Detail

PDB ID:

3I3S

Keywords:

SIGNALING PROTEIN

Title:

Crystal Structure of H-Ras with Thr50 replaced by Isoleucine

Biological Source:

Source Organism:

Homo sapiens (Taxon ID: 9606)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

1.36 Å

R-Value Free:

0.17

R-Value Work:

0.15

R-Value Observed:

0.16

Space Group:

H 3 2

Download Validation Report

Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Molecule:GTPase HRas
Gene (Uniprot):HRAS
Mutations:T50I
Chain IDs:A (auth: R)
Chain Length:166
Number of Molecules:1
Biological Source:Homo sapiens

UniProt ID:P01112 Pfam ID:PF00071 EC:3.6.5.2

Ligand Molecules

GNP

Primary Citation

A restricted spectrum of NRAS mutations causes Noonan syndrome.

Cirstea, I.C, Kutsche, K, Dvorsky, R, Gremer, L, Carta, C, Horn, D, Roberts, A.E, Lepri, F, Merbitz-Zahradnik, T, Konig, R, Kratz, C.P, Pantaleoni, F, Dentici, M.L, Joshi, V.A, Kucherlapati, R.S, Mazzanti, L, Mundlos, S, Patton, M.A, Silengo, M.C, Rossi, C, Zampino, G, Digilio, C, Stuppia, L, Seemanova, E, Pennacchio, L.A, Gelb, B.D, Dallapiccola, B, Wittinghofer, A, Ahmadian, M.R, Tartaglia, M, Zenker, M.Show

Nat.Genet. 42 27 29 (2010)

PMID: 19966803 DOI: 10.1038/ng.497

Abstact

Noonan syndrome, a developmental disorder characterized by congenital heart defects, reduced growth, facial dysmorphism and variable cognitive deficits, is caused by constitutional dysregulation of the RAS-MAPK signaling pathway. Here we report that germline NRAS mutations conferring enhanced stimulus-dependent MAPK activation account for some cases of this disorder. These findings provide evidence for an obligate dependency on proper NRAS function in human development and growth.

Legend

Protein

Chemical

Disease

Primary Citation of related structures