{
  "url": "https://dantelabs.com/traits/delayed-ability-to-roll-over",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "delayed-ability-to-roll-over",
    "id": "HP:0032989",
    "name": "Delayed ability to roll over",
    "definition": "Delayed achievement of the ability to roll front to back and back to front.",
    "synonyms": [],
    "systems": [
      {
        "slug": "abnormality-of-the-nervous-system",
        "name": "Abnormality of the nervous system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-nervous-system"
      }
    ],
    "broader": [
      {
        "slug": "delayed-gross-motor-development",
        "name": "Delayed motor skills",
        "url": "https://dantelabs.com/traits/delayed-gross-motor-development"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "adcy5",
        "symbol": "ADCY5",
        "hgnc": "HGNC:236",
        "name": "adenylate cyclase 5",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/adcy5"
      },
      {
        "slug": "klhl20",
        "symbol": "KLHL20",
        "hgnc": "HGNC:25056",
        "name": "kelch like family member 20",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/klhl20"
      },
      {
        "slug": "lmna",
        "symbol": "LMNA",
        "hgnc": "HGNC:6636",
        "name": "lamin A/C",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/lmna"
      },
      {
        "slug": "mecp2",
        "symbol": "MECP2",
        "hgnc": "HGNC:6990",
        "name": "methyl-CpG binding protein 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mecp2"
      },
      {
        "slug": "med16",
        "symbol": "MED16",
        "hgnc": "HGNC:17556",
        "name": "mediator complex subunit 16",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/med16"
      },
      {
        "slug": "mocs3",
        "symbol": "MOCS3",
        "hgnc": "HGNC:15765",
        "name": "molybdenum cofactor synthesis 3",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mocs3"
      },
      {
        "slug": "mrps25",
        "symbol": "MRPS25",
        "hgnc": "HGNC:14511",
        "name": "mitochondrial ribosomal protein S25",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/mrps25"
      },
      {
        "slug": "nav3",
        "symbol": "NAV3",
        "hgnc": "HGNC:15998",
        "name": "neuron navigator 3",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/nav3"
      },
      {
        "slug": "ndufa8",
        "symbol": "NDUFA8",
        "hgnc": "HGNC:7692",
        "name": "NADH:ubiquinone oxidoreductase subunit A8",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ndufa8"
      },
      {
        "slug": "pgap1",
        "symbol": "PGAP1",
        "hgnc": "HGNC:25712",
        "name": "post-GPI attachment to proteins inositol deacylase 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/pgap1"
      },
      {
        "slug": "rnu2-2",
        "symbol": "RNU2-2",
        "hgnc": "HGNC:10152",
        "name": "RNA, U2 small nuclear 2",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rnu2-2"
      },
      {
        "slug": "rnu5b-1",
        "symbol": "RNU5B-1",
        "hgnc": "HGNC:10212",
        "name": "RNA, U5B small nuclear 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rnu5b-1"
      },
      {
        "slug": "slc25a12",
        "symbol": "SLC25A12",
        "hgnc": "HGNC:10982",
        "name": "solute carrier family 25 member 12",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/slc25a12"
      },
      {
        "slug": "slc31a1",
        "symbol": "SLC31A1",
        "hgnc": "HGNC:11016",
        "name": "solute carrier family 31 member 1",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/slc31a1"
      },
      {
        "slug": "son",
        "symbol": "SON",
        "hgnc": "HGNC:11183",
        "name": "SON DNA and RNA binding protein",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/son"
      },
      {
        "slug": "taf8",
        "symbol": "TAF8",
        "hgnc": "HGNC:17300",
        "name": "TATA-box binding protein associated factor 8",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/taf8"
      },
      {
        "slug": "ubr5",
        "symbol": "UBR5",
        "hgnc": "HGNC:16806",
        "name": "ubiquitin protein ligase E3 component n-recognin 5",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ubr5"
      },
      {
        "slug": "vps35l",
        "symbol": "VPS35L",
        "hgnc": "HGNC:24641",
        "name": "VPS35 endosomal protein sorting factor like",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/vps35l"
      },
      {
        "slug": "ywhaz",
        "symbol": "YWHAZ",
        "hgnc": "HGNC:12855",
        "name": "tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation protein zeta",
        "frequency": "obligate",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/ywhaz"
      },
      {
        "slug": "yif1b",
        "symbol": "YIF1B",
        "hgnc": "HGNC:30511",
        "name": "Yip1 interacting factor homolog B, membrane trafficking protein",
        "frequency": "very-frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/yif1b"
      },
      {
        "slug": "acta1",
        "symbol": "ACTA1",
        "hgnc": "HGNC:129",
        "name": "actin alpha 1, skeletal muscle",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/acta1"
      },
      {
        "slug": "atp6v0a1",
        "symbol": "ATP6V0A1",
        "hgnc": "HGNC:865",
        "name": "ATPase H+ transporting V0 subunit a1",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/atp6v0a1"
      },
      {
        "slug": "celf2",
        "symbol": "CELF2",
        "hgnc": "HGNC:2550",
        "name": "CUGBP Elav-like family member 2",
        "frequency": "frequent",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/celf2"
      },
      {
        "slug": "vrk1",
        "symbol": "VRK1",
        "hgnc": "HGNC:12718",
        "name": "VRK serine/threonine kinase 1",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/vrk1"
      }
    ]
  }
}