1M2O	Protein Transport Signaling Protein	date	Jun 24, 2002
title	Crystal Structure Of The Sec23-Sar1 Complex
authors	X.Bi, R.A.Corpina, J.Goldberg
compound		source
Molecule: Protein Transport Protein Sec23 Chain: A, C Synonym: Sec23; Sec23p; Cytoplasmic Gtpase-Activating Prote Copii-Coat Protein; Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Sec23 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Gtp-Binding Protein Sar1 Chain: B, D Synonym: Sar1p, A Gtp-Binding Protein; Gtp Binding Protein Sar1 G-Protein; Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Sar1 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.238 R_Free 0.294
crystal cell	length a length b length c angle alpha angle beta angle gamma 47.196 151.158 271.625 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	GNP, MG, ZN	enzyme
related structures	by homologous chain: 1M2V
Gene Ontology	Chain Function Process Component A, C D, B mitochondrial membrane organ...
Primary reference	Structure of the Sec23/24-Sar1 pre-budding complex of the COPII vesicle coat., Bi X, Corpina RA, Goldberg J, Nature 2002 Sep 19;419(6904):271-7. PMID:12239560

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (287 Kb) [Save to disk] Biological Unit Coordinates (1m2o.pdb1.gz) 280 Kb Biological Unit Coordinates (1m2o.pdb2.gz) 141 Kb Biological Unit Coordinates (1m2o.pdb3.gz) 143 Kb LPC: Ligand-Protein Contacts for 1M2O CSU: Contacts of Structural Units for 1M2O Likely Quarternary Molecular Structure file(s) for 1M2O Retrieve 1M2O in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1M2O from S2C, [Save to disk]

View 1M2O 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 1M2O

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1M2O, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1m2oa3, region A:120-390 [Jmol] [rasmolscript] [script source]     - Domain d1m2oa2, region A:2-44,A:391-523 [Jmol] [rasmolscript] [script source]     - Domain d1m2oa5, region A:45-119 [Jmol] [rasmolscript] [script source]     - Domain d1m2oa1, region A:524-626 [Jmol] [rasmolscript] [script source]     - Domain d1m2oa4, region A:627-765 [Jmol] [rasmolscript] [script source]     - Domain d1m2ob_, region B [Jmol] [rasmolscript] [script source]     - Domain d1m2oc3, region C:120-390 [Jmol] [rasmolscript] [script source]     - Domain d1m2oc2, region C:2-44,C:391-523 [Jmol] [rasmolscript] [script source]     - Domain d1m2oc5, region C:45-119 [Jmol] [rasmolscript] [script source]     - Domain d1m2oc1, region C:524-626 [Jmol] [rasmolscript] [script source]     - Domain d1m2oc4, region C:627-765 [Jmol] [rasmolscript] [script source]     - Domain d1m2od_, 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: [1m2o] [1m2o_A] [1m2o_B] [1m2o_C] [1m2o_D] SWISS-PROT database: [P20606] [P15303] Domain organization of [SAR1_YEAST] [SEC23_YEAST] by SWISSPFAM Domains found in 1M2O: [SAR] [VWA ] by SMART

Other resources with information on 1M2O

Community annotation for 1M2O at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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