Difference between fibrous proteins and globular proteins

[littlelady]

Hey guys, can somebody helps me to understand better about fibrous vs globular protein please

"So what is the main difference between fibrous proteins and globular proteins? Aside from the difference in shape (elongated vs. spheroidal) and solubility (insoluble vs. soluble), fibrous proteins generally have only primary and secondary structure whereas globular proteins have tertiary and sometimes quaternary structure in addition to primary and secondary structure."

My question is

Fibrous only posses primary and secondary strure
Globular only posses tertiary and quanternary structure right? and also primary and secondary?? ?

I read the pagra above from online but confusing...i THINK primary stuture is only sequence of amino acid..it doesn't have spherical shape...

 

[TeethWhitener]

i THINK primary stuture is only sequence of amino acid..it doesn't have spherical shape...

Correct, primary structure refers to the amino acid sequence, and is present for every protein.