diff --git a/wwpdb/utils/nmr/pk/AriaPKParserListener.py b/wwpdb/utils/nmr/pk/AriaPKParserListener.py
index d5a6bcb5..29f17c4e 100644
--- a/wwpdb/utils/nmr/pk/AriaPKParserListener.py
+++ b/wwpdb/utils/nmr/pk/AriaPKParserListener.py
@@ -53,7 +53,6 @@ class AriaPKParserListener(ParseTreeListener, BasePKParserListener):
     __intensity_error = None
     __volume = None
     __volume_error = None
-    __annotation = None
 
     def __init__(self, verbose=True, log=sys.stdout,
                  representativeModelId=REPRESENTATIVE_MODEL_ID,
@@ -106,6 +105,10 @@ def exitDocument(self, ctx: XMLParser.DocumentContext):  # pylint: disable=unuse
                                         __v['atom_type'] = 'H'
                                         __v['atom_isotope_number'] = 1
                                         __v['axis_code'] = 'H'
+                                    elif 2 < center < 4:
+                                        __v['atom_type'] = 'H'
+                                        __v['atom_isotope_number'] = 1
+                                        __v['axis_code'] = 'H_ali'
                                     elif 60 < center < 90:
                                         __v['atom_type'] = 'C'
                                         __v['atom_isotope_number'] = 13
@@ -138,6 +141,8 @@ def exitDocument(self, ctx: XMLParser.DocumentContext):  # pylint: disable=unuse
                                     __v['spectral_region'] = 'H_ami_or_aro'
                                 elif 4 < center < 6 and atom_type == 'H':
                                     __v['spectral_region'] = 'H_all'
+                                elif 2 < center < 4 and atom_type == 'H':
+                                    __v['spectral_region'] = 'H_ali'
                                 elif 60 < center < 90 and atom_type == 'C':
                                     __v['spectral_region'] = 'C_all'
                                 elif 30 < center < 50 and atom_type == 'C':
diff --git a/wwpdb/utils/nmr/pk/NmrPipePKParserListener.py b/wwpdb/utils/nmr/pk/NmrPipePKParserListener.py
index 16c0d336..0fbeb419 100644
--- a/wwpdb/utils/nmr/pk/NmrPipePKParserListener.py
+++ b/wwpdb/utils/nmr/pk/NmrPipePKParserListener.py
@@ -82,6 +82,8 @@ def exitNmrpipe_pk(self, ctx: NmrPipePKParser.Nmrpipe_pkContext):  # pylint: dis
                                         __v['spectral_region'] = 'H_ami_or_aro'
                                     elif 4 < center < 6 and atom_type == 'H':
                                         __v['spectral_region'] = 'H_all'
+                                    elif 2 < center < 4 and atom_type == 'H':
+                                        __v['spectral_region'] = 'H_ali'
                                     elif 60 < center < 90 and atom_type == 'C':
                                         __v['spectral_region'] = 'C_all'
                                     elif 30 < center < 50 and atom_type == 'C':
diff --git a/wwpdb/utils/nmr/pk/NmrViewPKParserListener.py b/wwpdb/utils/nmr/pk/NmrViewPKParserListener.py
index 48f3bafb..ca0bd275 100644
--- a/wwpdb/utils/nmr/pk/NmrViewPKParserListener.py
+++ b/wwpdb/utils/nmr/pk/NmrViewPKParserListener.py
@@ -80,6 +80,8 @@ def exitNmrview_pk(self, ctx: NmrViewPKParser.Nmrview_pkContext):  # pylint: dis
                                         __v['spectral_region'] = 'H_ami_or_aro'
                                     elif 4 < center < 6 and atom_type == 'H':
                                         __v['spectral_region'] = 'H_all'
+                                    elif 2 < center < 4 and atom_type == 'H':
+                                        __v['spectral_region'] = 'H_ali'
                                     elif 60 < center < 90 and atom_type == 'C':
                                         __v['spectral_region'] = 'C_all'
                                     elif 30 < center < 50 and atom_type == 'C':
diff --git a/wwpdb/utils/nmr/pk/SparkyPKParserListener.py b/wwpdb/utils/nmr/pk/SparkyPKParserListener.py
index 2dd56226..f2bd5bbf 100644
--- a/wwpdb/utils/nmr/pk/SparkyPKParserListener.py
+++ b/wwpdb/utils/nmr/pk/SparkyPKParserListener.py
@@ -80,6 +80,10 @@ def exitSparky_pk(self, ctx: SparkyPKParser.Sparky_pkContext):  # pylint: disabl
                                         __v['atom_type'] = 'H'
                                         __v['atom_isotope_number'] = 1
                                         __v['axis_code'] = 'H'
+                                    elif 2 < center < 4:
+                                        __v['atom_type'] = 'H'
+                                        __v['atom_isotope_number'] = 1
+                                        __v['axis_code'] = 'H_ali'
                                     elif 60 < center < 90:
                                         __v['atom_type'] = 'C'
                                         __v['atom_isotope_number'] = 13
@@ -112,6 +116,8 @@ def exitSparky_pk(self, ctx: SparkyPKParser.Sparky_pkContext):  # pylint: disabl
                                     __v['spectral_region'] = 'H_ami_or_aro'
                                 elif 4 < center < 6 and atom_type == 'H':
                                     __v['spectral_region'] = 'H_all'
+                                elif 2 < center < 4 and atom_type == 'H':
+                                    __v['spectral_region'] = 'H_ali'
                                 elif 60 < center < 90 and atom_type == 'C':
                                     __v['spectral_region'] = 'C_all'
                                 elif 30 < center < 50 and atom_type == 'C':
diff --git a/wwpdb/utils/nmr/pk/TopSpinPKParserListener.py b/wwpdb/utils/nmr/pk/TopSpinPKParserListener.py
index 81daa857..045ba073 100644
--- a/wwpdb/utils/nmr/pk/TopSpinPKParserListener.py
+++ b/wwpdb/utils/nmr/pk/TopSpinPKParserListener.py
@@ -90,6 +90,10 @@ def exitDocument(self, ctx: XMLParser.DocumentContext):  # pylint: disable=unuse
                                         __v['atom_type'] = 'H'
                                         __v['atom_isotope_number'] = 1
                                         __v['axis_code'] = 'H'
+                                    elif 2 < center < 4:
+                                        __v['atom_type'] = 'H'
+                                        __v['atom_isotope_number'] = 1
+                                        __v['axis_code'] = 'H_ali'
                                     elif 60 < center < 90:
                                         __v['atom_type'] = 'C'
                                         __v['atom_isotope_number'] = 13
@@ -122,6 +126,8 @@ def exitDocument(self, ctx: XMLParser.DocumentContext):  # pylint: disable=unuse
                                     __v['spectral_region'] = 'H_ami_or_aro'
                                 elif 4 < center < 6 and atom_type == 'H':
                                     __v['spectral_region'] = 'H_all'
+                                elif 2 < center < 4 and atom_type == 'H':
+                                    __v['spectral_region'] = 'H_ali'
                                 elif 60 < center < 90 and atom_type == 'C':
                                     __v['spectral_region'] = 'C_all'
                                 elif 30 < center < 50 and atom_type == 'C':
diff --git a/wwpdb/utils/nmr/pk/XeasyPKParserListener.py b/wwpdb/utils/nmr/pk/XeasyPKParserListener.py
index 57c4b601..7d3e899d 100644
--- a/wwpdb/utils/nmr/pk/XeasyPKParserListener.py
+++ b/wwpdb/utils/nmr/pk/XeasyPKParserListener.py
@@ -91,6 +91,10 @@ def exitXeasy_pk(self, ctx: XeasyPKParser.Xeasy_pkContext):  # pylint: disable=u
                                         __v['atom_type'] = 'H'
                                         __v['atom_isotope_number'] = 1
                                         __v['axis_code'] = 'H'
+                                    elif 2 < center < 4:
+                                        __v['atom_type'] = 'H'
+                                        __v['atom_isotope_number'] = 1
+                                        __v['axis_code'] = 'H_ali'
                                     elif 60 < center < 90:
                                         __v['atom_type'] = 'C'
                                         __v['atom_isotope_number'] = 13
@@ -123,6 +127,8 @@ def exitXeasy_pk(self, ctx: XeasyPKParser.Xeasy_pkContext):  # pylint: disable=u
                                     __v['spectral_region'] = 'H_ami_or_aro'
                                 elif 4 < center < 6 and atom_type == 'H':
                                     __v['spectral_region'] = 'H_all'
+                                elif 2 < center < 4 and atom_type == 'H':
+                                    __v['spectral_region'] = 'H_ali'
                                 elif 60 < center < 90 and atom_type == 'C':
                                     __v['spectral_region'] = 'C_all'
                                 elif 30 < center < 50 and atom_type == 'C':
diff --git a/wwpdb/utils/nmr/pk/XwinNmrPKParserListener.py b/wwpdb/utils/nmr/pk/XwinNmrPKParserListener.py
index 9cd1df08..bc7928da 100644
--- a/wwpdb/utils/nmr/pk/XwinNmrPKParserListener.py
+++ b/wwpdb/utils/nmr/pk/XwinNmrPKParserListener.py
@@ -85,6 +85,10 @@ def exitXwinnmr_pk(self, ctx: XwinNmrPKParser.Xwinnmr_pkContext):  # pylint: dis
                                         __v['atom_type'] = 'H'
                                         __v['atom_isotope_number'] = 1
                                         __v['axis_code'] = 'H'
+                                    elif 2 < center < 4:
+                                        __v['atom_type'] = 'H'
+                                        __v['atom_isotope_number'] = 1
+                                        __v['axis_code'] = 'H_ali'
                                     elif 60 < center < 90:
                                         __v['atom_type'] = 'C'
                                         __v['atom_isotope_number'] = 13
@@ -117,6 +121,8 @@ def exitXwinnmr_pk(self, ctx: XwinNmrPKParser.Xwinnmr_pkContext):  # pylint: dis
                                     __v['spectral_region'] = 'H_ami_or_aro'
                                 elif 4 < center < 6 and atom_type == 'H':
                                     __v['spectral_region'] = 'H_all'
+                                elif 2 < center < 4 and atom_type == 'H':
+                                    __v['spectral_region'] = 'H_ali'
                                 elif 60 < center < 90 and atom_type == 'C':
                                     __v['spectral_region'] = 'C_all'
                                 elif 30 < center < 50 and atom_type == 'C':