Skip to content
oanor
Sign up free
Marketplace Pricing Features Sign in
GET /v1/features

Sequence features (domains, sites, variants…)

Try it live

10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/uniprot-api

It works. Grab an API key and use it in your project.

Get an API key

Code snippets

curl "https://api.oanor.com/uniprot-api/v1/features" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/uniprot-api/v1/features", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/uniprot-api/v1/features");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/uniprot-api/v1/features",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "count": 34,
        "total": 34,
        "by_type": {
            "Signal": 1,
            "Peptide": 2,
            "Propeptide": 1,
            "Disulfide bond": 3,
            "Natural variant": 27
        },
        "features": [
            {
                "end": 24,
                "type": "Signal",
                "start": 1,
                "feature_id": null,
                "description": null
            },
            {
                "end": 54,
                "type": "Peptide",
                "start": 25,
                "feature_id": "PRO_0000015819",
                "description": "Insulin B chain"
            },
            {
                "end": 87,
                "type": "Propeptide",
                "start": 57,
                "feature_id": "PRO_0000015820",
                "description": "C peptide"
            },
            {
                "end": 110,
                "type": "Peptide",
                "start": 90,
                "feature_id": "PRO_0000015821",
                "description": "Insulin A chain"
            },
            {
                "end": 96,
                "type": "Disulfide bond",
                "start": 31,
                "feature_id": null,
                "description": "Interchain (between B and A chains)"
            },
            {
                "end": 109,
                "type": "Disulfide bond",
                "start": 43,
                "feature_id": null,
                "description": "Interchain (between B and A chains)"
            },
            {
                "end": 100,
                "type": "Disulfide bond",
                "start": 95,
                "feature_id": null,
                "description": null
            },
            {
                "end": 6,
                "type": "Natural variant",
                "start": 6,
                "feature_id": "VAR_063721",
                "description": "in MODY10; dbSNP:rs121908278"
            },
            {
                "end": 6,
                "type": "Natural variant",
                "start": 6,
                "feature_id": "VAR_063722",
                "description": "in MODY10; dbSNP:rs121908259"
            },
            {
                "end": 24,
                "type": "Natural variant",
                "start": 24,
                "feature_id": "VAR_063723",
                "description": "in PNDM4; dbSNP:rs80356663"
            },
            {
                "end": 29,
                "type": "Natural variant",
                "start": 29,
                "feature_id": "VAR_063724",
                "description": "in PNDM4; dbSNP:rs121908272"
            },
            {
                "end": 32,
                "type": "Natural variant",
                "start": 32,
                "feature_id": "VAR_063725",
                "description": "in PNDM4; dbSNP:rs80356664"
            },
            {
                "end": 32,
                "type": "Natural va
…