Add term Basement membrane/interstitial matrix interface

[DaiqingChen]

Please provide as much information as you can:

• Suggested term label:
  Basement membrane/interstitial matrix interface

• Definition (free text)
  The structure located at the interface of the basement membrane and interstitial extracellular matrix and anchoring the two types of ECM to one another.

• Reference, in format PMID:#######
  Collagen type VI associate two types of ECMs: PMID: 9334230, PMID: 7767545, PMID: 26377767
  Collagen type VII anchoring fibrils: PMID: 19945621, PMID: 19945621

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

• Parent term(s)
  Extracellular matrix (GO:0031012)

• Children terms (if applicable) Should any existing terms that should be moved underneath this new proposed term?
  Collagen beaded filament (GO:0098647)
  Collagen anchoring fibril (GO:0098648)

• Synonyms (please specify, EXACT, BROAD, NARROW or RELATED)
  None

• Cross-references

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

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Slide screenshot:

[Matrisome]

@DaiqingChen : Request ready, please update the screenshot with revised slide 1