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	1.	Three-dimensional structure at 0.86 A of the uncomplexed form of the transmembrane ion channel peptide gramicidin A. [electronic resource] by Langs, D A Producer: 19880803 In: Science (New York, N.Y.) vol. 241 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Structure of the ion channel peptide antibiotic gramicidin A. [electronic resource] by Langs, D A Producer: 19890628 In: Biopolymers vol. 28 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Reinvestigation of the use of Patterson maps to extrapolate data to higher resolution. [electronic resource] by Langs, D A Producer: 19980324 In: Acta crystallographica. Section A, Foundations of crystallography vol. 54 ( Pt 1) Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	An efficient molecular-replacement translation function based on the evaluation of direct-methods phase invariants. [electronic resource] by Langs, D A Producer: 19920608 In: Acta crystallographica. Section A, Foundations of crystallography vol. 48 ( Pt 2) Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	The direct determination of phase invariants provided by diffraction data measured at two different temperatures. [electronic resource] by Langs, D A Producer: 19911231 In: Acta crystallographica. Section A, Foundations of crystallography vol. 47 ( Pt 5) Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Ab initio direct methods: practical advice for getting beyond the first 300 atoms. [electronic resource] by Langs, D A Producer: 20050214 In: Acta crystallographica. Section D, Biological crystallography vol. 49 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Phasing techniques. [electronic resource] by Langs, D A Producer: 20100702 In: Science (New York, N.Y.) vol. 256 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Frequency statistical method for evaluating cosine invariants of three-phase relationships. [electronic resource] by Langs, D A Producer: 19930910 In: Acta crystallographica. Section A, Foundations of crystallography vol. 49 ( Pt 3) Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	Direct methods: the identification of conditions which simplify the generation of inconsistent quadrupoles. [electronic resource] by Langs, D A Han, F Producer: 19900305 In: Acta crystallographica. Section A, Foundations of crystallography vol. 44 ( Pt 5) Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	10.	Direct methods: the identification of space-group-specific inconsistent three-phase structure invariants. [electronic resource] by Han, F Langs, D A Producer: 19900305 In: Acta crystallographica. Section A, Foundations of crystallography vol. 44 ( Pt 4) Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	11.	Efficient methods for the linearization and solution of phase-invariant equations. [electronic resource] by Langs, D A Han, F Producer: 19950913 In: Acta crystallographica. Section A, Foundations of crystallography vol. 51 ( Pt 4) Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	12.	A priori estimation of scale and overall anisotropic temperature factors from the Patterson origin peak. [electronic resource] by Blessing, R H Langs, D A Producer: 19900305 In: Acta crystallographica. Section A, Foundations of crystallography vol. 44 ( Pt 5) Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	13.	Direct methods: a paradox with regard to the convergence of random phase trials toward solutions. [electronic resource] by Langs, D A Hauptman, H A Producer: 20111129 In: Acta crystallographica. Section A, Foundations of crystallography vol. 67 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	14.	Conformational features of calcium channel agonist and antagonist analogs of nifedipine. [electronic resource] by Langs, D A Triggle, D J Producer: 19850620 In: Molecular pharmacology vol. 27 Availability: No items available. Save to lists Add to cart (remove)
	15.	Map self-validation: a useful discriminator of phase correctness at low resolution. [electronic resource] by Langs, D A Blessing, R H Guo, D Producer: 20010621 In: Acta crystallographica. Section D, Biological crystallography vol. 57 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	16.	Progress on the direct-methods solution of macromolecular structures using single-wavelength anomalous-dispersion (SAS) data. [electronic resource] by Langs, D A Blessing, R H Guo, D Producer: 19990825 In: Acta crystallographica. Section A, Foundations of crystallography vol. 55 ( Pt 4) Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	17.	Use of 'random-atom" phasing models to determine macromolecular heavy-atom replacement positions. [electronic resource] by Langs, D A Guo, D Hauptman, H A Producer: 20050215 In: Acta crystallographica. Section D, Biological crystallography vol. 51 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	18.	Map self-validation: improved criteria to resolve the SIR or SAS phase ambiguity. [electronic resource] by Langs, D A Blessing, R H Guo, D Producer: 20011213 In: Acta crystallographica. Section D, Biological crystallography vol. 57 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	19.	TDSIR phasing: direct use of phase-invariant distributions in macromolecular crystallography. [electronic resource] by Langs, D A Guo, D Hauptman, H A Producer: 19950913 In: Acta crystallographica. Section A, Foundations of crystallography vol. 51 ( Pt 4) Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	20.	Improvement of SAS triple invariant estimates for macromolecular direct-methods phasing. [electronic resource] by Langs, D A Blessing, R H Guo, D Producer: 20010628 In: Acta crystallographica. Section A, Foundations of crystallography vol. 57 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)

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Your search returned 64 results.