hypotonia-cystinuria syndrome 2p21 microdeletion syndrome https://github.com/monarch-initiative/mondo/issues/3664 https://github.com/monarch-initiative/mondo/issues/3777 https://github.com/monarch-initiative/mondo/issues/6311 https://www.malacards.org/card/2p21_microdeletion_syndrome GARD:0016999 MONDO:0015583 2p21 microdeletion syndrome The 2p21 microdeletion syndrome consists of cystinuria, neonatal seizures, hypotonia, severe growth and developmental delay, facial dysmorphism, and lactic acidemia. Orphanet:163693 2p21 deletion syndrome UMLS:C4304537 SCTID:719652007 monosomy 2p21 MEDGEN:930206 Del(2)(p21) DECIPHER:87 partial deletion of the short arm of chromosome 2 partial deletion of the long arm of chromosome 2 obsolete_2p21 microdeletion syndrome