Editing Protein structure (section)

===Protein fold===
A protein fold refers to the general protein architecture, like a [[helix bundle]], [[beta barrel|β-barrel]], [[Rossmann fold]] or different "folds" provided in the [[Structural Classification of Proteins database]].<ref name="Govinda rajan">{{cite journal | vauthors = Govindarajan S, Recabarren R, Goldstein RA | title = Estimating the total number of protein folds | journal = Proteins | volume = 35 | issue = 4 | pages = 408–414 | date = June 1999 | pmid = 10382668 | doi = 10.1002/(SICI)1097-0134(19990601)35:4<408::AID-PROT4>3.0.CO;2-A | url = http://www3.interscience.wiley.com/journal/65000323/abstract | url-status = dead | hdl-access = free | hdl = 2027.42/34969 | s2cid = 7147867 | archive-url = https://archive.today/20130105075413/http://www3.interscience.wiley.com/journal/65000323/abstract | archive-date = 5 January 2013 }}</ref> A related concept is [[protein topology]].