1RL9	Transferase	date	Nov 25, 2003
title	Crystal Structure Of Creatine-Adp Arginine Kinase Ternary Co
authors	A.Azzi, S.A.Clark, R.W.Ellington, M.S.Chapman
compound		source
Molecule: Arginine Kinase Chain: A Synonym: Ak Ec: 2.7.3.3 Engineered: Yes		Organism_scientific: Limulus Polyphemus Organism_common: Atlantic Horseshoe Crab Organism_taxid: 6850 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet22b
symmetry	Space Group: P 21 21 21	R_factor 0.194 R_Free 0.237
crystal cell	length a length b length c angle alpha angle beta angle gamma 64.100 65.300 85.800 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.45 Å
ligand	ADP, IOM, MG	enzyme	Transferase E.C.2.7.3.3 BRENDA
related structures	by homologous chain: 1BG0, 1M15
Gene Ontology	Chain Function Process Component A
Primary reference	The role of phosphagen specificity loops in arginine kinase., Azzi A, Clark SA, Ellington WR, Chapman MS, Protein Sci 2004 Mar;13(3):575-85. PMID:14978299

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (70 Kb) [Save to disk] Biological Unit Coordinates (1rl9.pdb1.gz) 65 Kb LPC: Ligand-Protein Contacts for 1RL9 CSU: Contacts of Structural Units for 1RL9 Likely Quarternary Molecular Structure file(s) for 1RL9 Structure Factors (819 Kb) Retrieve 1RL9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1RL9 from S2C, [Save to disk] Re-refined 1rl9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1RL9 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 1RL9

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1RL9 from the CEP Server. Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1RL9, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1rl9a1, region A:2-95 [Jmol] [rasmolscript] [script source]     - Domain d1rl9a2, region A:96-357 [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: [1rl9_A] [1rl9] SWISS-PROT database: [P51541] Domain organization of [KARG_LIMPO] by SWISSPFAM

Other resources with information on 1RL9

Community annotation for 1RL9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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