PDBsum1 acknowledgements

PDBsum1 gratefully acknowledges use of the following software:
	3Dmol.js Rego N & Koes D (2015) 3Dmol.js: molecular visualization with WebGL, Bioinformatics, 31, 1322–1324,

	HBPLUS McDonald I K & Thornton J M (1994). Satisfying hydrogen bonding potential in proteins. J. Mol. Biol., 238, 777-793.

	Hera Hutchinson E G & Thornton J M (1990). Hera - a program to draw schematic diagrams of protein secondary structures. Proteins. 8, 203-212.

	LIGPLOT Wallace A C, Laskowski R A, Thornton J M (1995). LIGPLOT: A program to generate schematic diagrams of protein-ligand interactions. Prot. Eng., 8, 127-134.

	NUCPLOT Luscombe N M, Laskowski R A, Thornton J M (1997). NUCPLOT: a program to generate schematic diagrams of protein-nucleic acid interactions. Nucleic Acids Res., 25

	PROCHECK Laskowski R A, MacArthur M W, Moss D S and Thornton J M (1993). PROCHECK: a program to check the stereochemical quality of protein structures. J. Appl. Cryst., 26, 283-291.

	PROMOTIF Hutchinson E G & Thornton J M (1996). PROMOTIF - a program to identify and analyze structural motifs in proteins. Protein Science, 5, 212-220.

	PyMOL DeLano W L (2002). The PyMOL molecular graphics system. Palo Alto, CA: DeLano Scientific.

	SURFNET Laskowski R A (1995). SURFNET: A program for visualizing molecular surfaces, cavities and intermolecular interactions. J. Mol. Graph., 13, 323-330.