diff --git a/ViennaRNAParser.cabal b/ViennaRNAParser.cabal
--- a/ViennaRNAParser.cabal
+++ b/ViennaRNAParser.cabal
@@ -5,7 +5,7 @@
 -- PVP summary:      +-+------- breaking API changes
 --                   | | +----- non-breaking API additions
 --                   | | | +--- code changes with no API change
-version:             1.2.9
+version:             1.3.0
 synopsis:            Libary for parsing ViennaRNA package output
 description:         Currently contains parsers and datatypes for: RNAalifold, RNAcode, RNAdistance, RNAcofold, RNAfold, RNAplex, RNAup, RNAz.
 		     .
@@ -30,8 +30,8 @@
 
 source-repository this
   type:     git
-  location: https://github.com/eggzilla/ViennaRNAParser/tree/1.2.9
-  tag:      1.2.9
+  location: https://github.com/eggzilla/ViennaRNAParser/tree/1.3.0
+  tag:      1.3.0
 
 library
   -- Modules exported by the library.
@@ -58,7 +58,7 @@
   ghc-options:         -Wall -O2 -fno-warn-unused-do-bind
 
   -- Other library packages from which modules are imported.
-  build-depends:       base >=4.5 && <5, parsec>=3.1.9, process, transformers
+  build-depends:       base >=4.5 && <5, parsec>=3.1.9, process, transformers, ParsecTools
   
   -- Directories containing source files.
   hs-source-dirs:      src
diff --git a/changelog b/changelog
--- a/changelog
+++ b/changelog
@@ -1,4 +1,6 @@
 -*-change-log-*-
+1.3.0 Florian Eggenhofer <egg@informatik.uni-freiburg.de> 6. September 2016
+        * Added support for new prefilter fields in RNAplex output 
 1.2.8 Florian Eggenhofer <florian.eggenhofer@univie.ac.at> 11. February 2016
         * Fixed special character parsing of identifiers in RNAcode 
 1.2.7 Florian Eggenhofer <florian.eggenhofer@univie.ac.at> 4. January 2016
diff --git a/src/Bio/RNAplexData.hs b/src/Bio/RNAplexData.hs
--- a/src/Bio/RNAplexData.hs
+++ b/src/Bio/RNAplexData.hs
@@ -17,6 +17,9 @@
     duplexEnergy :: Double,
     duplexEnergyWithoutAccessiblity :: Maybe Double,
     queryAccessiblity :: Maybe Double,
-    targetAccessibility :: Maybe Double
+    targetAccessibility :: Maybe Double,
+    prefilterStart ::  Maybe Int,
+    prefilterStop :: Maybe Int,
+    prefilterEnergy :: Maybe Double
   }
   deriving (Show, Eq)
diff --git a/src/Bio/RNAplexParser.hs b/src/Bio/RNAplexParser.hs
--- a/src/Bio/RNAplexParser.hs
+++ b/src/Bio/RNAplexParser.hs
@@ -9,7 +9,8 @@
 
 import Bio.RNAplexData
 import Bio.ViennaRNAParserLibrary
-import Text.ParserCombinators.Parsec    
+import Text.ParserCombinators.Parsec
+import Text.Parsec.Numbers
 import Control.Monad
 
 -- | Parse the input as list of RNAplexInteraction datatype
@@ -30,34 +31,44 @@
   newline 
   _secondaryStructure <- many1 (oneOf "&().,")
   many1 space
-  _targetDuplexBegin <- many1 digit
+  _targetDuplexBegin <- parseIntegral
   char ','
-  _targetDuplexEnd <- many1 digit
+  _targetDuplexEnd <- parseIntegral
   many1 space
   char ':'
   many1 space
-  _queryDuplexBegin <- many1 digit
+  _queryDuplexBegin <- parseIntegral
   char ','
-  _queryDuplexEnd <- many1 digit
+  _queryDuplexEnd <- parseIntegral
   many1 space
   char '('
-  optional space
-  _duplexEnergy <- many1 (noneOf (" )"))
-  optional space
+  optional (string " ")
+  _duplexEnergy <- parseFloat
+  optional (string " ")
   optional (char '=')
-  optional space
-  _duplexEnergyWithoutAccessiblity <- optionMaybe (try (many1 (noneOf (" )"))))
-  optional space 
+  optional (string " ")
+  _duplexEnergyWithoutAccessiblity <- optionMaybe (try parseFloat)
+  optional (string " ")
   optional (char '+')
-  optional (many1 space)
-  _queryAccessiblity <- optionMaybe (try (many1 (noneOf (" )")))) 
-  optional space 
+  optional (many1 (string " "))
+  _queryAccessiblity <- optionMaybe (try parseFloat) 
+  optional (string " ")
   optional (char '+')
   optional (many1 space)
-  _targetAccessibility <- optionMaybe (try (many1 (noneOf (")"))))
+  _targetAccessibility <- optionMaybe (try parseFloat)
   char ')'
+  many (oneOf " ")
+  optional (string "i:")
+  _prefilterStart <- optionMaybe (try parseIntegral)
+  optional (string ",")
+  optional (string "j:")
+  _prefilterEnd <- optionMaybe (try parseIntegral)
+  many (oneOf " ")
+  optional (string "<")
+  _prefilterEnergy <- optionMaybe (try parseFloat)
+  optional (string ">")
   newline
-  return $ RNAplexInteraction _targetIdentifier _queryIdentifier _secondaryStructure (readInt _targetDuplexBegin) (readInt _targetDuplexEnd) (readInt _queryDuplexBegin) (readInt _queryDuplexEnd) (readDouble _duplexEnergy) (liftM readDouble _duplexEnergyWithoutAccessiblity) (liftM readDouble _queryAccessiblity) (liftM readDouble _targetAccessibility)
+  return $ RNAplexInteraction _targetIdentifier _queryIdentifier _secondaryStructure _targetDuplexBegin _targetDuplexEnd  _queryDuplexBegin  _queryDuplexEnd  _duplexEnergy _duplexEnergyWithoutAccessiblity _queryAccessiblity _targetAccessibility _prefilterStart _prefilterEnd _prefilterEnergy
 
 -- | parse RNAplexOutput from input string
 parseRNAplex :: [Char] -> Either ParseError [RNAplexInteraction]