8CPL

YZw2 a scaffold for cryo-EM of small proteins of interest

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	Putrescine aminotransferase,Immunoglobulin G-binding protein A	polymer	501	54467.4	4	UniProt (P42588) UniProt (P38507) Pfam (PF00202) Pfam (PF02216)	Escherichia coli	PAT,PATase,Cadaverine transaminase,Diamine transaminase,Putrescine transaminase,Putrescine--2-oxoglutaric acid transaminase,Putrescine:2-OG aminotransferase,IgG-binding protein A,Staphylococcal protein A,SpA
2	E, F, G, H (A, B, C, D)	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	4	Chemie (PLP)
3	I, J, K, L (A, B, C, D)	water	water		18.0	2194	Chemie (HOH)

Sequence modifications

A, B, C, D: 7 - 457 (UniProt: P42588)
A, B, C, D: 458 - 507 (UniProt: P38507)

PDB	External Database	Details
Ala 478	Gly 240	conflict

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	217869.5
Non-Polymers*	Number of molecules	4
	Total formula weight	988.6
All*	Total formula weight	218858.0

*Water molecules are not included.