1B3R	Hydrolase	date	Dec 14, 1998
title	Rat Liver S-Adenosylhomocystein Hydrolase
authors	Y.Hu, J.Komoto, Y.Huang, F.Takusagawa, T.Gomi, H.Ogawa, Y.Takata, M
compound		source
Molecule: Protein (S-Adenosylhomocysteine Hydrolase) Chain: A, B, C, D Fragment: Catalytic Domain (1 - 181 & 352 - 402) Ec: 3.3.1.1 Engineered: Yes Other_details: Each Subunit Contains One Nad+ Molecule.		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Strain: Mv1304 Organ: Liver Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Mv1304 Expression_system_plasmid: Puc118
symmetry	Space Group: P 1 21 1	R_factor 0.199 R_Free 0.269
crystal cell	length a length b length c angle alpha angle beta angle gamma 94.760 134.480 102.260 90.00 114.35 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	NAD	enzyme	Hydrolase E.C.3.3.1.1 BRENDA
related structures	by homologous chain: 1D4F, 1KY5
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Crystal structure of S-adenosylhomocysteine hydrolase from rat liver., Hu Y, Komoto J, Huang Y, Gomi T, Ogawa H, Takata Y, Fujioka M, Takusagawa F, Biochemistry 1999 Jun 29;38(26):8323-33. PMID:10387078

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (338 Kb) [Save to disk] Biological Unit Coordinates (1b3r.pdb1.gz) 332 Kb LPC: Ligand-Protein Contacts for 1B3R CSU: Contacts of Structural Units for 1B3R Likely Quarternary Molecular Structure file(s) for 1B3R Retrieve 1B3R in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1B3R from S2C, [Save to disk]

View 1B3R 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 1B3R

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1B3R, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1b3ra1, region A:190-352 [Jmol] [rasmolscript] [script source]     - Domain d1b3ra2, region A:4-189,A:353-431 [Jmol] [rasmolscript] [script source]     - Domain d1b3rb1, region B:190-352 [Jmol] [rasmolscript] [script source]     - Domain d1b3rb2, region B:4-189,B:353-431 [Jmol] [rasmolscript] [script source]     - Domain d1b3rc1, region C:190-352 [Jmol] [rasmolscript] [script source]     - Domain d1b3rc2, region C:4-189,C:353-431 [Jmol] [rasmolscript] [script source]     - Domain d1b3rd1, region D:190-352 [Jmol] [rasmolscript] [script source]     - Domain d1b3rd2, region D:4-189,D: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: [1b3r_C] [1b3r_A] [1b3r] [1b3r_D] [1b3r_B] SWISS-PROT database: [P10760] Domain organization of [SAHH_RAT] by SWISSPFAM Domains found in 1B3R: [AdoHcyase] [AdoHcyase_NAD ] by SMART

Other resources with information on 1B3R

Community annotation for 1B3R at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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