4R9I		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	BME, FLC, NA	enzyme
Gene Ontology	Chain Function Process Component A serine-type endopeptidase in...
Primary reference	Structural insights into the unique inhibitory mechanism of the silkworm protease inhibitor serpin18., Guo PC, Dong Z, Zhao P, Zhang Y, He H, Tan X, Zhang W, Xia Q, Sci Rep. 2015 Jul 7;5:11863. doi: 10.1038/srep11863. PMID:26148664

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (75 Kb) [Save to disk] Biological Unit Coordinates (4r9i.pdb1.gz) 71 Kb LPC: Ligand-Protein Contacts for 4R9I CSU: Contacts of Structural Units for 4R9I Structure Factors (1007 Kb) Retrieve 4R9I in mmCIF format [Save to disk] Re-refined 4r9i structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4R9I 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: [4r9i] [4r9i_A] SWISS-PROT database: Domain found in 4R9I: [SERPIN ] by SMART

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