2PM7

Crystal structure of yeast Sec13/31 edge element of the COPII vesicular coat, selenomethionine version

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Protein transport protein SEC31	polymer	399	45126.6	2	UniProt (P38968) Pfam (PF12931) In PDB	Saccharomyces cerevisiae (baker's yeast)	Protein WEB1
2	B, D	Protein transport protein SEC13	polymer	297	33519.5	2	UniProt (Q04491) Pfam (PF00400) In PDB	Saccharomyces cerevisiae (baker's yeast)
3		water	water		18.0	261	Chemie (HOH)

Sequence modifications

A, C: 370 - 763 (UniProt: P38968)

PDB	External Database	Details
Gly 365	-	cloning artifact
Ala 366	-	cloning artifact
Mse 367	-	cloning artifact
Gly 368	-	cloning artifact
Ser 369	-	cloning artifact
Mse 449	Leu 449	engineered mutation
Mse 455	Met 455	modified residue
Mse 536	Leu 536	engineered mutation
Mse 537	Met 537	modified residue
Mse 540	Met 540	modified residue
Mse 614	Met 614	modified residue
Mse 615	Leu 615	engineered mutation
Mse 622	Leu 622	engineered mutation
Mse 674	Leu 674	engineered mutation

B, D: 1 - 297 (UniProt: Q04491)

PDB	External Database	Details
Mse 1	Met 1	modified residue
Mse 11	Leu 11	engineered mutation
Mse 17	Leu 17	engineered mutation
Mse 24	Leu 24	engineered mutation
Mse 80	Leu 80	engineered mutation
Mse 115	Leu 115	engineered mutation
Mse 222	Leu 222	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	157292.1
All*	Total formula weight	157292.1

*Water molecules are not included.