1AB9		date
authors
compound		source
symmetry		R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution
ligand	SO4	enzyme
related structures	by homologous chain: 3GCT, 8GCH
Gene Ontology	Chain Function Process Component B C
Primary reference	X-ray crystal structure of a dipeptide-chymotrypsin complex in an inhibitory interaction., Kashima A, Inoue Y, Sugio S, Maeda I, Nose T, Shimohigashi Y, Eur J Biochem. 1998 Jul 1;255(1):12-23. PMID:9692896

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (44 Kb) [Save to disk] Biological Unit Coordinates (1ab9.pdb1.gz) 39 Kb Biological Unit Coordinates (1ab9.pdb2.gz) 77 Kb Biological Unit Coordinates (1ab9.pdb3.gz) 76 Kb LPC: Ligand-Protein Contacts for 1AB9 CSU: Contacts of Structural Units for 1AB9 Likely Quarternary Molecular Structure file(s) for 1AB9 Structure Factors (479 Kb) Retrieve 1AB9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1AB9 from S2C, [Save to disk] Re-refined 1ab9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1AB9 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.

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1ab9] [1ab9_A] [1ab9_B] [1ab9_C] [1ab9_D] SWISS-PROT database: [P00766] Domain found in 1AB9: [Tryp_SPc ] by SMART

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