Symptom Information: Sort according to HPO 

1
(HPO:0002240) Hepatomegaly Occasional [Orphanet] 467 / 7739
2
(HPO:0001250) Seizures Very frequent [Orphanet] 1245 / 7739
3
(HPO:0002133) Status epilepticus 59 / 7739
4
(HPO:0000486) Strabismus Occasional [Orphanet] 576 / 7739
5
(HPO:0001252) Muscular hypotonia Frequent [Orphanet] 990 / 7739
6
(HPO:0001324) Muscle weakness 859 / 7739
7
(HPO:0001939) Abnormality of metabolism/homeostasis Very frequent [Orphanet] 328 / 7739
8
(HPO:0002353) EEG abnormality Very frequent [Orphanet] 188 / 7739
9
(HPO:0100022) Abnormality of movement Very frequent [Orphanet] 129 / 7739
10
(HPO:0002119) Ventriculomegaly Occasional [Orphanet] 253 / 7739
11
(HPO:0001249) Intellectual disability 1089 / 7739
12
(HPO:0001263) Global developmental delay 853 / 7739
13
(HPO:0002120) Cerebral cortical atrophy Occasional [Orphanet] 187 / 7739
14
(HPO:0000750) Delayed speech and language development 197 / 7739
15
(HPO:0001557) Prenatal movement abnormality 16 / 7739
16
(HPO:0002069) Generalized tonic-clonic seizures 96 / 7739
17
(HPO:0002098) Respiratory distress 75 / 7739
18
(HPO:0002123) Generalized myoclonic seizures 62 / 7739
19
(HPO:0002167) Neurological speech impairment Very frequent [Orphanet] 308 / 7739
20
(HPO:0002643) Neonatal respiratory distress 22 / 7739
21
(HPO:0008947) Infantile muscular hypotonia 482 / 7739
22
(HPO:0010547) Muscle flaccidity 466 / 7739
23
(OMIM) Fetal distress 4 / 7739
24
(OMIM) Increased serum and cerebrospinal fluid levels of pipecolic acid 1 / 7739
25
(OMIM) Increased serum, cerebrospinal fluid, and urinary levels of alpha-aminoadipic semialdehyde 1 / 7739
26
(HPO:0012758) Neurodevelopmental delay Very frequent [Orphanet] 949 / 7739
27
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739