Also validate sequences in second view

hexviz/pages/1_🗺️Identify_Interesting_Heads.py

@@ -1,6 +1,6 @@
 import streamlit as st
 
-from hexviz.attention import get_attention, get_sequence, get_structure
+from hexviz.attention import clean_and_validate_sequence, get_attention, get_sequence
 from hexviz.models import Model, ModelType
 from hexviz.plot import plot_tiled_heatmap
 from hexviz.view import (
@@ -32,13 +32,13 @@ with st.expander(
     pdb_id = select_pdb()
     uploaded_file = st.file_uploader("2.Upload PDB", type=["pdb"])
     input_sequence = st.text_area(
-        "3.Input sequence (Folded with ESMfold) Max 400 resis",
-        "",
-        key="input_sequence",
-        max_chars=400,
+        "3.Input sequence", "", key="input_sequence", max_chars=400
     )
-    pdb_str, structure, source = select_protein(pdb_id, uploaded_file, input_sequence)
-    st.write(f"Using: {source}")
+    sequence, error = clean_and_validate_sequence(input_sequence)
+    if error:
+        st.error(error)
+    pdb_str, structure, source = select_protein(pdb_id, uploaded_file, sequence)
+    st.write(f"Visualizing: {source}")
 
 selected_model = select_model(models)