2QAR

Structure of the 2TEL crystallization module fused to T4 lysozyme with a helical linker.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, D	E80-TELSAM domain	polymer	86	9924.2	2	Pfam (PF02198) UniProt (by SIFTS) (P41212) In PDB	Escherichia coli
2	B, E	TELSAM domain	polymer	93	10694.1	2	Pfam (PF02198) UniProt (by SIFTS) (P41212) In PDB	Escherichia coli
3	C, F	Lysozyme	polymer	163	18477.2	2	Pfam (PF00959) UniProt (by SIFTS) (P00720) In PDB	Enterobacteria phage T4	Lysis protein, Muramidase, Endolysin
4	A, B, D, E	NITRATE ION	non-polymer		62.0	8	Chemie (NO3)
5	A, D	AMMONIUM ION	non-polymer		18.0	2	Chemie (NH4)
6		water	water		18.0	77	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	78191.0
Non-Polymers*	Number of molecules	10
	Total formula weight	532.1
All*	Total formula weight	78723.1

*Water molecules are not included.