2AHM	Viral Protein, Replication	date	Jul 28, 2005
title	Crystal Structure Of Sars-Cov Super Complex Of Non-Structura Proteins: The Hexadecamer
authors	Y.J.Zhai, F.Sun, M.Bartlam, Z.Rao
compound		source
Molecule: Replicase Polyprotein 1ab, Light Chain Chain: A, B, C, D Synonym: Replicase Nsp7 Engineered: Yes		Organism_scientific: Sars Coronavirus Organism_taxid: 227859 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex6p-1
Molecule: Replicase Polyprotein 1ab, Heavy Chain Chain: E, F, G, H Synonym: Replicase Nsp8 Engineered: Yes		Organism_scientific: Sars Coronavirus Organism_taxid: 227859 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex6p-1
symmetry	Space Group: P 21 21 2	R_factor 0.213 R_Free 0.251
crystal cell	length a length b length c angle alpha angle beta angle gamma 93.600 94.000 150.800 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	GOL, SO4	enzyme
Gene Ontology	Chain Function Process Component A, B, C, D F, E, H, G
Primary reference	Insights into SARS-CoV transcription and replication from the structure of the nsp7-nsp8 hexadecamer., Zhai Y, Sun F, Li X, Pang H, Xu X, Bartlam M, Rao Z, Nat Struct Mol Biol 2005 Oct 16;. PMID:16228002

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (162 Kb) [Save to disk] Biological Unit Coordinates (2ahm.pdb1.gz) 309 Kb LPC: Ligand-Protein Contacts for 2AHM CSU: Contacts of Structural Units for 2AHM Likely Quarternary Molecular Structure file(s) for 2AHM Structure Factors (656 Kb) Retrieve 2AHM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2AHM from S2C, [Save to disk] Re-refined 2ahm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2AHM 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 2AHM

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 2AHM, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ahm_D] [2ahm] [2ahm_B] [2ahm_H] [2ahm_E] [2ahm_G] [2ahm_F] [2ahm_C] [2ahm_A] SWISS-PROT database: [P0C6X7] [P0C6U8] Domain organization of [R1AB_CVHSA] [R1A_CVHSA] by SWISSPFAM

Other resources with information on 2AHM

Community annotation for 2AHM at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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