##gff-version 3 P00648 UniProtKB Signal peptide 1 34 . . . . P00648 UniProtKB Propeptide 35 47 . . . ID=PRO_0000030828;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:4553460;Dbxref=PMID:4553460 P00648 UniProtKB Chain 48 157 . . . ID=PRO_0000030829;Note=Ribonuclease;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:4553460;Dbxref=PMID:4553460 P00648 UniProtKB Active site 120 120 . . . Note=Proton acceptor P00648 UniProtKB Active site 149 149 . . . Note=Proton donor P00648 UniProtKB Mutagenesis 149 149 . . . Note=Loss of activity. H->Q P00648 UniProtKB Beta strand 22 25 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:3DA7 P00648 UniProtKB Beta strand 30 35 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:3DA7 P00648 UniProtKB Helix 54 64 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6PQK P00648 UniProtKB Helix 74 79 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6PQK P00648 UniProtKB Helix 84 86 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6PQK P00648 UniProtKB Helix 89 92 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6PQK P00648 UniProtKB Beta strand 97 103 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6PQK P00648 UniProtKB Beta strand 118 122 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6PQK P00648 UniProtKB Beta strand 127 129 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6PQK P00648 UniProtKB Beta strand 134 138 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6PQK P00648 UniProtKB Beta strand 143 148 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6PQK P00648 UniProtKB Beta strand 154 157 . . . Ontology_term=ECO:0007829;evidence=ECO:0007829|PDB:6PQK