1I48	Lyase	date	Feb 20, 2001
title	Cystathionine Gamma-Synthase In Complex With The Inhibitor C
authors	C.Steegborn, B.Laber, A.Messerschmidt, R.Huber, T.Clausen
compound		source
Molecule: Cystathionine Gamma-Synthase Chain: A, B, C, D, E, F, G, H, I, J, K, L Ec: 4.2.99.9 Engineered: Yes		Organism_scientific: Nicotiana Tabacum Organism_common: Common Tobacco Organism_taxid: 4097 Gene: Metb Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pencn1117
symmetry	Space Group: C 1 2 1	R_factor 0.226 R_Free 0.257
crystal cell	length a length b length c angle alpha angle beta angle gamma 312.400 165.600 162.200 90.00 89.80 90.00
method	X-Ray Diffraction	resolution	3.25 Å
ligand	CCO, PLP	enzyme	Lyase E.C.4.2.99.9 BRENDA
Gene Ontology	Chain Function Process Component F, A, J, K, E, B, H, C, D, I, G, L
Primary reference	Crystal structures of cystathionine gamma-synthase inhibitor complexes rationalize the increased affinity of a novel inhibitor., Steegborn C, Laber B, Messerschmidt A, Huber R, Clausen T, J Mol Biol 2001 Aug 24;311(4):789-801. PMID:11518531

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (738 Kb) [Save to disk] Biological Unit Coordinates (1i48.pdb1.gz) 249 Kb Biological Unit Coordinates (1i48.pdb2.gz) 249 Kb Biological Unit Coordinates (1i48.pdb3.gz) 249 Kb LPC: Ligand-Protein Contacts for 1I48 CSU: Contacts of Structural Units for 1I48 Likely Quarternary Molecular Structure file(s) for 1I48 Retrieve 1I48 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1I48 from S2C, [Save to disk]

View 1I48 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 1I48

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1I48, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1i48a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1i48b_, region B [Jmol] [rasmolscript] [script source]     - Domain d1i48c_, region C [Jmol] [rasmolscript] [script source]     - Domain d1i48d_, region D [Jmol] [rasmolscript] [script source]     - Domain d1i48e_, region E [Jmol] [rasmolscript] [script source]     - Domain d1i48f_, region F [Jmol] [rasmolscript] [script source]     - Domain d1i48g_, region G [Jmol] [rasmolscript] [script source]     - Domain d1i48h_, region H [Jmol] [rasmolscript] [script source]     - Domain d1i48i_, region I [Jmol] [rasmolscript] [script source]     - Domain d1i48j_, region J [Jmol] [rasmolscript] [script source]     - Domain d1i48k_, region K [Jmol] [rasmolscript] [script source]     - Domain d1i48l_, region L [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1i48_J] [1i48_C] [1i48_E] [1i48_D] [1i48] [1i48_F] [1i48_I] [1i48_K] [1i48_L] [1i48_B] [1i48_A] [1i48_H] [1i48_G] SWISS-PROT database: [Q9ZPL5] Domain organization of [Q9ZPL5_TOBAC] by SWISSPFAM

Other resources with information on 1I48

Community annotation for 1I48 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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