1QX4		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	FAD	enzyme
related structures	by homologous chain: 1I7P, 1UMK
Gene Ontology	Chain Function Process Component B, A
Primary reference	The structure of the S127P mutant of cytochrome b5 reductase that causes methemoglobinemia shows the AMP moiety of the flavin occupying the substrate binding site., Bewley MC, Davis CA, Marohnic CC, Taormina D, Barber MJ, Biochemistry 2003 Nov 18;42(45):13145-51. PMID:14609324

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (94 Kb) [Save to disk] Biological Unit Coordinates (1qx4.pdb1.gz) 90 Kb LPC: Ligand-Protein Contacts for 1QX4 CSU: Contacts of Structural Units for 1QX4 Likely Quarternary Molecular Structure file(s) for 1QX4 Retrieve 1QX4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QX4 from S2C, [Save to disk]

View 1QX4 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: [1qx4] [1qx4_A] [1qx4_B] SWISS-PROT database: [P20070]

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