ID code: '2YK5' CHIRALITY (03 Nov 1998) Checks the chirality and the naming of substituents of chiral and prochiral centers in nucleic acid structures. The molecular structure is read from a PDB file. Only the first model is evaluated. ---------------------------------------------------------- Center Reference for correct naming ---------------------------------------------------------- C1' alpha/beta nomenclature of anomeric sugars, base in beta position in natural nucleosids. C2' IUPAC. 1983. Eur J Biochem, 131: 9-15. C3' IUPAC. 1983. Eur J Biochem, 131: 9-15. C4' IUPAC. 1983. Eur J Biochem, 131: 9-15. C5' IUPAC. 1983. Eur J Biochem, 131: 9-15. P Brookhaven PDB entry '1BNA', O1P -> major groove, O2P -> minor groove. ---------------------------------------------------------- Author: Peter Slickers (slickers@imb-jena.de) Biocomputing, IMB Jena, Germany --------------------------------------------------------------------------------- Seq No Atom Residue H1' base O4' H1' base C2' --------------------------------------------------------------------------------- 2662 C1' C A1375 beta 2657 2663 2660 --------------------------------------------------------------------------------- --------------------------------------------------------------------------------------------------------------------- Seq No Atom Residue Deoxyribose Ribose C1' C3' H2'1 H2'2 H2' O2' H2'1 H2'2 H2' O2' --------------------------------------------------------------------------------------------------------------------- 2660 C2' C A1375 OK 2662 2658 2661 --------------------------------------------------------------------------------------------------------------------- --------------------------------------------------------------------------------- Seq No Atom Residue H3' O3' C4' H3' O3' C2' --------------------------------------------------------------------------------- 2658 C3' C A1375 OK 2656 2659 2660 --------------------------------------------------------------------------------- --------------------------------------------------------------------------------- Seq No Atom Residue H4' C5' C3' H4' C5' O4' --------------------------------------------------------------------------------- 2656 C4' C A1375 OK 2658 2655 2657 --------------------------------------------------------------------------------- --------------------------------------------------------------------------------- Seq No Atom Residue H5'1 H5'2 O5' H5'1 H5'2 C4' --------------------------------------------------------------------------------- 2655 C5' C A1375 2654 2656 --------------------------------------------------------------------------------- --------------------------------------------------------------------------------- Seq No Atom Residue O1P O2P O3' O1P O2P O5' --------------------------------------------------------------------------------- 2651 P C A1375 distorted distorted 2652 2653 2654 2671 P PO4 A1376 ---------------------------------------------------------------------------------