1X3K		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	HEM	enzyme
note	1X3K is a representative structure
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structures of two hemoglobin components from the midge larva Propsilocerus akamusi (Orthocladiinae, Diptera)., Kuwada T, Hasegawa T, Sato S, Sato I, Ishikawa K, Takagi T, Shishikura F, Gene. 2007 Aug 15;398(1-2):29-34. Epub 2007 May 10. PMID:17590288

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (34 Kb) [Save to disk] Biological Unit Coordinates (1x3k.pdb1.gz) 29 Kb LPC: Ligand-Protein Contacts for 1X3K CSU: Contacts of Structural Units for 1X3K Likely Quarternary Molecular Structure file(s) for 1X3K Structure Factors (347 Kb) Retrieve 1X3K in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1X3K from S2C, [Save to disk] Re-refined 1x3k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1X3K 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: [1x3k] [1x3k_] [1x3k_A] SWISS-PROT database: [Q7M422]

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