From 4151794b4ac192afd30d676e25d008faf9b1884f Mon Sep 17 00:00:00 2001
From: Roman Rodionov <roman_rodionov@epam.com>
Date: Tue, 26 Nov 2024 14:44:47 +0100
Subject: [PATCH] #5972 - Export to three letter amino acid codes cause convert
 error

---
 .../src/infrastructure/services/struct/indigoWorker.types.ts  | 1 +
 .../infrastructure/services/struct/standaloneStructService.ts | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/packages/ketcher-standalone/src/infrastructure/services/struct/indigoWorker.types.ts b/packages/ketcher-standalone/src/infrastructure/services/struct/indigoWorker.types.ts
index 3717ef3dbd..71b32d2fc8 100644
--- a/packages/ketcher-standalone/src/infrastructure/services/struct/indigoWorker.types.ts
+++ b/packages/ketcher-standalone/src/infrastructure/services/struct/indigoWorker.types.ts
@@ -66,6 +66,7 @@ export enum SupportedFormat {
   SDF = 'sdf',
   FASTA = 'fasta',
   SEQUENCE = 'sequence',
+  SEQUENCE_3_LETTER = 'peptide-sequence-3-letter',
   IDT = 'idt',
   HELM = 'helm',
   RDF = 'rdf',
diff --git a/packages/ketcher-standalone/src/infrastructure/services/struct/standaloneStructService.ts b/packages/ketcher-standalone/src/infrastructure/services/struct/standaloneStructService.ts
index 71a6d7844e..6b09669edd 100644
--- a/packages/ketcher-standalone/src/infrastructure/services/struct/standaloneStructService.ts
+++ b/packages/ketcher-standalone/src/infrastructure/services/struct/standaloneStructService.ts
@@ -143,6 +143,10 @@ function convertMimeTypeToOutputFormat(
       format = SupportedFormat.SEQUENCE;
       break;
     }
+    case ChemicalMimeType.PeptideSequenceThreeLetter: {
+      format = SupportedFormat.SEQUENCE_3_LETTER;
+      break;
+    }
     case ChemicalMimeType.IDT: {
       format = SupportedFormat.IDT;
       break;