1K0U	Hydrolase	date	Sep 20, 2001
title	Inhibition Of S-Adenosylhomocysteine Hydrolase By "Acyclic S Adenosine Analogue D-Eritadenine
authors	F.Takusagawa, Y.Huang, J.Komoto, Y.Takata, T.Gomi, H.Ogawa, M.Fuji D.Powell
compound		source
Molecule: S-Adenosyl-L-Homocysteine Hydrolase Chain: A, B, C, D, E, F, G, H Synonym: Adenosylhomocysteinase Ec: 3.3.1.1 Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1 21 1	R_factor 0.183 R_Free 0.265
crystal cell	length a length b length c angle alpha angle beta angle gamma 89.870 177.370 112.160 90.00 107.60 90.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	DEA, NAD BindingDB	enzyme	Hydrolase E.C.3.3.1.1 BRENDA
note	1K0U supersedes 1D4G
related structures	by homologous chain: 1D4G, 1KY4
Gene Ontology	Chain Function Process Component F, A, E, B, H, C, D, G
Primary reference	Inhibition of S-adenosylhomocysteine hydrolase by acyclic sugar adenosine analogue D-eritadenine. Crystal structure of S-adenosylhomocysteine hydrolase complexed with D-eritadenine., Huang Y, Komoto J, Takata Y, Powell DR, Gomi T, Ogawa H, Fujioka M, Takusagawa F, J Biol Chem. 2002 Mar 1;277(9):7477-82. Epub 2001 Dec 10. PMID:11741948

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (517 Kb) [Save to disk] Biological Unit Coordinates (1k0u.pdb1.gz) 261 Kb Biological Unit Coordinates (1k0u.pdb2.gz) 256 Kb LPC: Ligand-Protein Contacts for 1K0U CSU: Contacts of Structural Units for 1K0U Likely Quarternary Molecular Structure file(s) for 1K0U Structure Factors (560 Kb) Retrieve 1K0U in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1K0U from S2C, [Save to disk] Re-refined 1k0u structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1K0U 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 1K0U

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 1K0U, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1k0ua1, region A:190-352 [Jmol] [rasmolscript] [script source]     - Domain d1k0ua2, region A:2-189,A:353-431 [Jmol] [rasmolscript] [script source]     - Domain d1k0ub1, region B:190-352 [Jmol] [rasmolscript] [script source]     - Domain d1k0ub2, region B:2-189,B:353-431 [Jmol] [rasmolscript] [script source]     - Domain d1k0uc1, region C:190-352 [Jmol] [rasmolscript] [script source]     - Domain d1k0uc2, region C:2-189,C:353-431 [Jmol] [rasmolscript] [script source]     - Domain d1k0ud1, region D:190-352 [Jmol] [rasmolscript] [script source]     - Domain d1k0ud2, region D:2-189,D:353-431 [Jmol] [rasmolscript] [script source]     - Domain d1k0ue1, region E:190-352 [Jmol] [rasmolscript] [script source]     - Domain d1k0ue2, region E:2-189,E:353-431 [Jmol] [rasmolscript] [script source]     - Domain d1k0uf1, region F:190-352 [Jmol] [rasmolscript] [script source]     - Domain d1k0uf2, region F:2-189,F:353-431 [Jmol] [rasmolscript] [script source]     - Domain d1k0ug1, region G:190-352 [Jmol] [rasmolscript] [script source]     - Domain d1k0ug2, region G:2-189,G:353-431 [Jmol] [rasmolscript] [script source]     - Domain d1k0uh1, region H:190-352 [Jmol] [rasmolscript] [script source]     - Domain d1k0uh2, region H:2-189,H:353-431 [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: [1k0u_H] [1k0u_D] [1k0u] [1k0u_C] [1k0u_B] [1k0u_E] [1k0u_A] [1k0u_F] [1k0u_G] SWISS-PROT database: [P10760] Domain organization of [SAHH_RAT] by SWISSPFAM Domains found in 1K0U: [AdoHcyase] [AdoHcyase_NAD ] by SMART

Other resources with information on 1K0U

Community annotation for 1K0U at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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