1IW4		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, 20 Models	resolution
note	1IW4 is a representative structure
Gene Ontology	Chain Function Process Component A serine-type endopeptidase in...
Primary reference	Solution structure of ascidian trypsin inhibitor determined by nuclear magnetic resonance spectroscopy., Hemmi H, Yoshida T, Kumazaki T, Nemoto N, Hasegawa J, Nishioka F, Kyogoku Y, Yokosawa H, Kobayashi Y, Biochemistry 2002 Aug 27;41(34):10657-64. PMID:12186551

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (259 Kb) [Save to disk] Biological Unit Coordinates (1iw4.pdb1.gz) 13 Kb CSU: Contacts of Structural Units for 1IW4 Original NMR restraints for 1IW4 from PDB Experimental data, such as chemical shifts, at BioMagResBank (BMRB) NMR Restraints Grid from BioMagResBank (BMRB) Retrieve 1IW4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1IW4 from S2C, [Save to disk]

View 1IW4 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: [1iw4] [1iw4_A] SWISS-PROT database: [P16589]

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