1A4K		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	CD, FRA	enzyme
related structures	by homologous chain: 1CZ8, 2AP2
Gene Ontology	Chain Function Process Component L, A
Primary reference	Immunological origins of binding and catalysis in a Diels-Alderase antibody., Romesberg FE, Spiller B, Schultz PG, Stevens RC, Science 1998 Mar 20;279(5358):1929-33. PMID:9506942

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (144 Kb) [Save to disk] Biological Unit Coordinates (1a4k.pdb1.gz) 71 Kb Biological Unit Coordinates (1a4k.pdb2.gz) 71 Kb LPC: Ligand-Protein Contacts for 1A4K CSU: Contacts of Structural Units for 1A4K Likely Quarternary Molecular Structure file(s) for 1A4K Structure Factors (385 Kb) Retrieve 1A4K in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A4K from S2C, [Save to disk] Re-refined 1a4k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1A4K 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: [1a4k_L] [1a4k_H] [1a4k] [1a4k_A] [1a4k_B] SWISS-PROT database: [P01834] Domains found in 1A4K: [IG_like] [IGv ] by SMART

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