1LFD	Complex (Ralgds Ras)	date	Apr 29, 1998
title	Crystal Structure Of The Active Ras Protein Complexed With T Interacting Domain Of Ralgds
authors	L.Huang, F.Hofer, G.S.Martin, S.H.Kim
compound		source
Molecule: Ralgds Chain: A, C Fragment: Ras-Interacting Domain, C-Terminal Domain Engineered: Yes Other_details: Binds To Active Human Ras		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Gene: Human Ras Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Dh-5alpha Expression_system_plasmid: Pgex98 Made From Pgex2t Expression_system_gene: C-Terminal Domain Of Rat Ralgdsb (R 767-864) Fused To Gst Protein;
Molecule: Ras Chain: B, D Fragment: Residues 1-171 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Human Ras Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Dh-5alpha Expression_system_plasmid: Pgex98 Made From Pgex2t Expression_system_gene: Human Ras Other_details: Synthetic Human Ras Gene In The Plasmid
symmetry	Space Group: P 21 21 21	R_factor 0.206 R_Free 0.282
crystal cell	length a length b length c angle alpha angle beta angle gamma 75.648 78.256 87.313 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	GNP, MG	enzyme
related structures	by homologous chain: 1IOZ, 1LXD, 1NVV
Gene Ontology	Chain Function Process Component A, C D, B
Primary reference	Structural basis for the interaction of Ras with RalGDS., Huang L, Hofer F, Martin GS, Kim SH, Nat Struct Biol 1998 Jun;5(6):422-6. PMID:9628477

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (93 Kb) [Save to disk] Biological Unit Coordinates (1lfd.pdb1.gz) 46 Kb Biological Unit Coordinates (1lfd.pdb2.gz) 46 Kb LPC: Ligand-Protein Contacts for 1LFD CSU: Contacts of Structural Units for 1LFD Likely Quarternary Molecular Structure file(s) for 1LFD Retrieve 1LFD in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1LFD from S2C, [Save to disk]

View 1LFD in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1LFD

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1LFD, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1lfda_, region A [Jmol] [rasmolscript] [script source]     - Domain d1lfdb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1lfdc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1lfdd_, region D [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1lfd_C] [1lfd_A] [1lfd_B] [1lfd_D] [1lfd] SWISS-PROT database: [Q03386] [P01112] Domain organization of [GNDS_RAT] [RASH_HUMAN] by SWISSPFAM Domains found in 1LFD: [RA] [RAS ] by SMART

Other resources with information on 1LFD

Community annotation for 1LFD at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1LFD from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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