1M5K	Translation Rna	date	Jul 09, 2002
title	Crystal Structure Of A Hairpin Ribozyme In The Catalytically Conformation
authors	P.B.Rupert, A.R.Ferre-D'Amare
compound		source
Molecule: Rna Inhibitor Substrate Chain: A, D Engineered: Yes		Synthetic: Yes Other_details: This Sequence Occurs Naturally In Satellite Ringspot Virus;
Molecule: Rna Hairpin Ribozyme Chain: B, E Engineered: Yes		Synthetic: Yes Other_details: This Sequence Occurs Naturally In Satellite Ringspot Virus;
Molecule: Protein (U1 Small Nuclear Ribonucleoprotein A) Chain: C, F Fragment: U1a Rna Binding Domain Synonym: U1 Snrnp A Protein; U1 Snrnp-Specific Protein A Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Snrpa Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid
symmetry	Space Group: C 1 2 1	R_factor 0.229 R_Free 0.284
crystal cell	length a length b length c angle alpha angle beta angle gamma 256.300 44.100 102.400 90.00 109.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	A2M, CA, CL, GTP, IU	enzyme
note	1M5K supersedes 1HP6
related structures	by homologous chain: 1M5V, 1VC7
Gene Ontology	Chain Function Process Component F, C
Primary reference	Crystal structure of a hairpin ribozyme-inhibitor complex with implications for catalysis., Rupert PB, Ferre-D'Amare AR, Nature 2001 Apr 12;410(6830):780-6. PMID:11298439

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (135 Kb) [Save to disk] Biological Unit Coordinates (1m5k.pdb1.gz) 66 Kb Biological Unit Coordinates (1m5k.pdb2.gz) 65 Kb LPC: Ligand-Protein Contacts for 1M5K CSU: Contacts of Structural Units for 1M5K Likely Quarternary Molecular Structure file(s) for 1M5K Structure Factors (462 Kb) Retrieve 1M5K in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1M5K from S2C, [Save to disk] Re-refined 1m5k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1M5K 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 1M5K

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 1M5K, from MSDmotif at EBI Structure summary from SCOR (Structural Classification of RNA) Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1m5kc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1m5kf_, region F [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: [1m5k] [1m5k_A] [1m5k_E] [1m5k_D] [1m5k_C] [1m5k_B] [1m5k_F] SWISS-PROT database: [P09012] Domain organization of [SNRPA_HUMAN] by SWISSPFAM Domain found in 1M5K: [RRM ] by SMART

Other resources with information on 1M5K

Community annotation for 1M5K at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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