diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+## [0.1.3.15] - 2021-02-16
+### Fixed
+- Unknown fields in GB.
+
 ## [0.1.3.14] - 2021-02-10
 ### Changed
 - Added ability to parse modifications in Fasta.
diff --git a/cobot-io.cabal b/cobot-io.cabal
--- a/cobot-io.cabal
+++ b/cobot-io.cabal
@@ -4,10 +4,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: b4805dfc259e39022dd3313837d29888036016ead10be1b3b52215e16a76f7a7
+-- hash: 41de9b4b3a1a9916fe78ee831e4e9811e27725529c468f9b43d3378b25a5bc5b
 
 name:           cobot-io
-version:        0.1.3.14
+version:        0.1.3.15
 synopsis:       Biological data file formats and IO
 description:    Please see the README on GitHub at <https://github.com/biocad/cobot-io#readme>
 category:       Bio
diff --git a/src/Bio/GB/Parser.hs b/src/Bio/GB/Parser.hs
--- a/src/Bio/GB/Parser.hs
+++ b/src/Bio/GB/Parser.hs
@@ -4,17 +4,18 @@
   ( genBankP
   ) where
 
-import Bio.GB.Type          (Feature (..), Form (..), GenBankSequence (..), Locus (..), Meta (..),
-                             Reference (..), Source (..), Version (..))
-import Bio.Sequence         (MarkedSequence, Range, markedSequence)
-import Control.Applicative  ((<|>))
-import Data.Attoparsec.Text (Parser, char, decimal, digit, endOfInput, endOfLine, letter, many',
-                             many1', satisfy, string, takeWhile, takeWhile1)
-import Data.Bifunctor       (bimap)
-import Data.Char            (isAlphaNum, isSpace, isUpper)
-import Data.Functor         (($>))
-import Data.Text            (Text, intercalate, pack, splitOn, unpack)
-import Prelude              hiding (takeWhile)
+import Bio.GB.Type                (Feature (..), Form (..), GenBankSequence (..), Locus (..),
+                                   Meta (..), Reference (..), Source (..), Version (..))
+import Bio.Sequence               (MarkedSequence, Range, markedSequence)
+import Control.Applicative        ((<|>))
+import Data.Attoparsec.Combinator (manyTill)
+import Data.Attoparsec.Text       (Parser, char, decimal, digit, endOfInput, endOfLine, letter,
+                                   many', many1', satisfy, string, takeWhile, takeWhile1)
+import Data.Bifunctor             (bimap)
+import Data.Char                  (isAlphaNum, isSpace, isUpper)
+import Data.Functor               (($>))
+import Data.Text                  (Text, intercalate, pack, splitOn, unpack)
+import Prelude                    hiding (takeWhile)
 
 -- | Parser of .gb file.
 --
@@ -55,7 +56,7 @@
     textP = takeWhile1 $ not . isSpace
 
     formP :: Parser Form
-    formP = (string "linear" $> Linear) <|> (string "circular" *> pure Circular)
+    formP = (string "linear" $> Linear) <|> (string "circular" $> Circular)
 
 definitionP :: Parser Text
 definitionP =  string "DEFINITION" *> space *> (emptyP <|> someLinesP)
@@ -104,7 +105,8 @@
 --------------------------------------------------------------------------------
 
 featuresP :: Parser [(Feature, Range)]
-featuresP =  string "FEATURES" *> space
+featuresP =  manyTill (textWithSpacesP <* eolSpaceP) (string "FEATURES") *> space
+          -- ^ skip unknown fields and stop on line with "FEATURES"
           *> textWithSpacesP <* eolSpaceP
           *> many1' featureP
 
diff --git a/test/GBParserSpec.hs b/test/GBParserSpec.hs
--- a/test/GBParserSpec.hs
+++ b/test/GBParserSpec.hs
@@ -13,6 +13,7 @@
     pAAVGFPSpecP "test/GB/pAAV-GFP-CellBioLab.gb"
     pAAVCMVSpecP "test/GB/pAAV_CMV_RPE65_PolyA_linkers.gb"
     dottedMetaSpecP "test/GB/pAAV-GFP-CellBioLab-dots.gb"
+    unknownFieldsSpecP "test/GB/pIntA-TRBV.gb"
 
 pAAVGFPSpecP :: FilePath -> Spec
 pAAVGFPSpecP path = describe "pAAVGFP" $ do
@@ -39,6 +40,12 @@
     it "correctly parses meta information with all info set to dots" $ do
         mt <- meta <$> fromFile path
         mt `shouldBe` dottedMeta
+
+unknownFieldsSpecP :: FilePath -> Spec
+unknownFieldsSpecP path = describe "Unknown fields" $ do
+    it "correctly parses and skip unknown fields before FEATURES" $ do
+        mt <- meta <$> fromFile path
+        name (locus mt) `shouldBe` "P2-32_pIntA-TRBV5-1_J1-1-Fc-lama-knob-EPEA"
 
 
 pAAVGFPMeta :: Meta