001/* 002 * BioJava development code 003 * 004 * This code may be freely distributed and modified under the 005 * terms of the GNU Lesser General Public Licence. This should 006 * be distributed with the code. If you do not have a copy, 007 * see: 008 * 009 * http://www.gnu.org/copyleft/lesser.html 010 * 011 * Copyright for this code is held jointly by the individual 012 * authors. These should be listed in @author doc comments. 013 * 014 * For more information on the BioJava project and its aims, 015 * or to join the biojava-l mailing list, visit the home page 016 * at: 017 * 018 * http://www.biojava.org/ 019 * 020 */ 021package org.biojava.nbio.structure.secstruc; 022 023/** 024 * A bridge is formed by two non-overlapping stretches of three residues each 025 * (i-1,i,i+1) and (j-1,j,j+1), where i<j. 026 * <p> 027 * Depending on two basic patterns, a Bridge can be either of type parallel (H 028 * bonds in {(i-1,j) and (j,i+1)} OR {(j-1,i) and (i,j-1)}) or antiparallel (H 029 * bonds in {(i1,j) and (j,i} OR {(i-1,j+1) and (j-1,i+1)}) 030 * 031 * @author Andreas Prlic 032 * @author Aleix Lafita 033 * 034 */ 035public enum BridgeType { 036 037 parallel("parallel", 'p'), 038 antiparallel("antiparallel", 'a'); 039 040 public final Character type; 041 public final String name; 042 043 private BridgeType(String name, Character stype) { 044 this.name = name; 045 this.type = stype; 046 } 047 048 public static BridgeType fromCharacter(Character stype) { 049 050 for (BridgeType c : BridgeType.values()) { 051 if (c.type.equals(stype)) 052 return c; 053 } 054 return null; 055 } 056 057 @Override 058 public String toString() { 059 return type.toString(); 060 } 061 062}