diff --git a/rnacentral/portal/models/sequence_feature.py b/rnacentral/portal/models/sequence_feature.py
index 6a36ab193..96d86cd91 100644
--- a/rnacentral/portal/models/sequence_feature.py
+++ b/rnacentral/portal/models/sequence_feature.py
@@ -15,24 +15,31 @@
 from django.db import models
 
 
-class SequenceFeature(models.Model):
-    id = models.AutoField(primary_key=True, db_column="rnc_sequence_features_id")
-    accession = models.OneToOneField(
+class SequenceFeatureAccession(models.Model):
+    id = models.AutoField(primary_key=True)
+    rnc_sequence_feature_id = models.IntegerField()
+    accession = models.ForeignField(
         "Accession",
         db_column="accession",
         to_field="accession",
-        related_name="sequence_features",
-        null=True,
         on_delete=models.CASCADE,
     )
+
+    class Meta:
+        db_table = "rnc_accession_sequence_features"
+
+
+class SequenceFeature(models.Model):
+    id = models.AutoField(primary_key=True, db_column="rnc_sequence_feature_id")
+    accession = models.ManyToManyField("Accession", through=SequenceFeatureAccession)
     feature_name = models.CharField(max_length=50)
     metadata = JSONField()
-    start = models.IntegerField()
-    stop = models.IntegerField()
+    start = models.IntegerField(db_column="start_index")
+    stop = models.IntegerField(db_column="stop_index")
     taxid = models.IntegerField()
     upi = models.ForeignKey(
         "RNA",
-        db_column="upi",
+        db_column="urs",
         to_field="upi",
         related_name="sequence_features",
         on_delete=models.CASCADE,