##gff-version 3 P35492 UniProtKB Chain 1 657 . . . ID=PRO_0000161059;Note=Histidine ammonia-lyase P35492 UniProtKB Modified residue 254 254 . . . Note=2%2C3-didehydroalanine (Ser);Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU10122 P35492 UniProtKB Modified residue 396 396 . . . Note=Phosphothreonine;Ontology_term=ECO:0007744,ECO:0007744;evidence=ECO:0007744|PubMed:17242355,ECO:0007744|PubMed:21183079;Dbxref=PMID:17242355,PMID:21183079 P35492 UniProtKB Modified residue 635 635 . . . Note=Phosphoserine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:P21213 P35492 UniProtKB Modified residue 637 637 . . . Note=Phosphothreonine;Ontology_term=ECO:0007744;evidence=ECO:0007744|PubMed:21183079;Dbxref=PMID:21183079 P35492 UniProtKB Modified residue 648 648 . . . Note=Phosphoserine;Ontology_term=ECO:0007744;evidence=ECO:0007744|PubMed:17242355;Dbxref=PMID:17242355 P35492 UniProtKB Cross-link 253 255 . . . Note=5-imidazolinone (Ala-Gly);Ontology_term=ECO:0000250;evidence=ECO:0000250 P35492 UniProtKB Natural variant 322 322 . . . Note=In His%3B reduced stability. R->Q;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:8486363;Dbxref=PMID:8486363