keyword

a polypeptide is a long chain of

Monthly search volume and cost-per-click data for "a polypeptide is a long chain of" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=a+polypeptide+is+a+long+chain+of&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-23 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
polypeptide chain	6,600	$0	7/20
polypeptide chains	6,600	$0	6/20
polypeptides definition	4,400	$0	7/20
polypeptide structure	1,600	$0	7/20
polypeptides and proteins	1,300	$1.08	8/20
protein polypeptide	1,300	$1.08	8/20
polypeptide protein	1,300	$1.38	7/20
polypeptide definition biology	1,000	$0	7/20
polypeptides are composed of many	30	$0	8/20
large molecules that form when smaller molecules join	20	$0	6/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=a+polypeptide+is+a+long+chain+of&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt