1SG1	Hormone Growth Factor Membrane Protein	date	Feb 22, 2004
title	Crystal Structure Of The Receptor-Ligand Complex Between Ner Factor And The Common Neurotrophin Receptor P75
authors	X.L.He, K.C.Garcia
compound		source
Molecule: Beta-Nerve Growth Factor Chain: A, B Synonym: Beta-Ngf Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Ngfb Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid
Molecule: Tumor Necrosis Factor Receptor Superfamily Member Chain: X Synonym: Low- Affinity Nerve Growth Factor Receptor, Ngf Re Gp80-Lngfr, P75 Icd, Low Affinity Neurotrophin Receptor P75 Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Gene: P75 Expression_system: Unidentified Baculovirus Expression_system_taxid: 10469 Expression_system_strain: Tn5 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pacgp67a
symmetry	Space Group: P 21 21 21	R_factor 0.243 R_Free 0.269
crystal cell	length a length b length c angle alpha angle beta angle gamma 49.692 91.796 92.010 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	CL	enzyme
note	1SG1 (Molecule of the Month:pdb68)
related structures	by homologous chain: 1BET, 1BTG
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure of nerve growth factor complexed with the shared neurotrophin receptor p75., He XL, Garcia KC, Science 2004 May 7;304(5672):870-5. PMID:15131306

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (69 Kb) [Save to disk] Biological Unit Coordinates (1sg1.pdb1.gz) 64 Kb LPC: Ligand-Protein Contacts for 1SG1 CSU: Contacts of Structural Units for 1SG1 Likely Quarternary Molecular Structure file(s) for 1SG1 Structure Factors (279 Kb) Retrieve 1SG1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SG1 from S2C, [Save to disk] Re-refined 1sg1 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1SG1 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 1SG1

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1SG1, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1sg1a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1sg1b_, region B [Jmol] [rasmolscript] [script source]     - Domain d1sg1x4, region X:138-161 [Jmol] [rasmolscript] [script source]     - Domain d1sg1x1, region X:2-56 [Jmol] [rasmolscript] [script source]     - Domain d1sg1x2, region X:57-95 [Jmol] [rasmolscript] [script source]     - Domain d1sg1x3, region X:96-137 [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: [1sg1_B] [1sg1_X] [1sg1] [1sg1_A] SWISS-PROT database: [P01138] [P07174] Domain organization of [NGF_HUMAN] [TNR16_RAT] by SWISSPFAM Domains found in 1SG1: [NGF] [TNFR ] by SMART

Other resources with information on 1SG1

Community annotation for 1SG1 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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