UniProt: make a 'fasta' for a chain sequence annotation

examples/UniProt/111_uniprot_make_chain_sequence_fasta.ttl

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+@prefix ex: <https://sparql.uniprot.org/.well-known/sparql-examples/> .
+@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
+@prefix schema: <https://schema.org/> .
+@prefix sh: <http://www.w3.org/ns/shacl#> .
+
+ex:111_uniprot_make_chain_sequence_fasta a sh:SPARQLExecutable,
+        sh:SPARQLSelectExecutable ;
+    rdfs:comment "Given an UniProt chain identifier, generate the matching sequence as a FASTA"@en ;
+    sh:prefixes _:sparql_examples_prefixes ;
+    sh:select """PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
+PREFIX up: <http://purl.uniprot.org/core/>
+PREFIX faldo: <http://biohackathon.org/resource/faldo#>
+
+SELECT (CONCAT('>', ?chainSeqId, '\\n', (SUBSTR(?iupacAA, ?begin, (?end-?begin+1))))  AS ?chainFasta)
+WHERE {
+  BIND("PRO_0000268053" AS ?chainSeqId) 
+  BIND(IRI(CONCAT("http://purl.uniprot.org/annotation/", ?chainSeqId)) AS ?annId)
+  ?annId up:range ?range .
+  ?range faldo:begin [ faldo:reference ?reference ; faldo:position ?begin ] ;
+     faldo:end [ faldo:position ?end ] .
+  ?reference rdf:value ?iupacAA .
+}""" ;
+    schema:keywords "chain", "sequence", "fasta" ;
+    schema:target <https://sparql.uniprot.org/sparql/> .
+