Add term Von willerbrand factor A domain rich collagen trimer

[DaiqingChen]

Please provide as much information as you can:

• Suggested term label:
  Von willerbrand factor A domain rich collagen trimer

• Definition (free text)
  A class of collagen contains multiple von Willebrand factor A domain

• Reference, in format PMID:#######
  PMID: 21421911

• Gene product name and ID to be annotated to this term
  annotations of all child terms

• Parent term(s)
  Collagen trimer (GO:0005581)

• Children terms (if applicable) Should any existing terms that should be moved underneath this new proposed term?
  Collagen type VI trimer (GO:0005589)
  Collagen type VII trimer (GO:0005590)
  Collagen type XXVIII trimer (GO:19990326)

• Synonyms (please specify, EXACT, BROAD, NARROW or RELATED)

• Cross-references

• For enzymes, please provide RHEA and/or EC numbers.

• Can also provide MetaCyc, KEGG, Wikipedia, and other links.

• Any other information
  Framework in slide page 8: https://docs.google.com/presentation/d/1zxL0gt5vOynmJsS8BP-Xqs_0sTaEB8Zo/edit?usp=sharing&ouid=109267399050361021326&rtpof=true&sd=true

Screenshot of requested term pointed by arrows: