2ACQ	Oxidoreductase	date	Apr 15, 1994
title	An Anion Binding Site In Human Aldose Reductase: Mechanistic Implications For The Binding Of Citrate, Cacodylate, And Gl Phosphate
authors	D.H.Harrison, K.M.Bohren, K.H.Gabbay, G.A.Petsko, D.Ringe
compound		source
Molecule: Aldose Reductase Chain: A Ec: 1.1.1.21 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.166 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 49.940 67.170 91.360 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.76 Å
ligand	G6P, NAP	enzyme	Oxidoreductase E.C.1.1.1.21 BRENDA
related structures	by homologous chain: 1EL3, 2ACS
Gene Ontology	Chain Function Process Component A electron transfer activity NADP-retinol dehydrogenase a...
Primary reference	An anion binding site in human aldose reductase: mechanistic implications for the binding of citrate, cacodylate, and glucose 6-phosphate., Harrison DH, Bohren KM, Ringe D, Petsko GA, Gabbay KH, Biochemistry 1994 Mar 1;33(8):2011-20. PMID:8117658

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (59 Kb) [Save to disk] Biological Unit Coordinates (2acq.pdb1.gz) 55 Kb LPC: Ligand-Protein Contacts for 2ACQ CSU: Contacts of Structural Units for 2ACQ Likely Quarternary Molecular Structure file(s) for 2ACQ Retrieve 2ACQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2ACQ from S2C, [Save to disk]

View 2ACQ 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 2ACQ

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2ACQ, from MSDmotif at EBI Genome occurence of 2ACQ's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2acq__, region [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: [2acq_A] [2acq] SWISS-PROT database: [P15121] Domain organization of [ALDR_HUMAN] by SWISSPFAM

Other resources with information on 2ACQ

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

Movements, Movies and Images

Domain movements in 2ACQ from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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