5YRZ

Toxin-Antitoxin complex from Streptococcus pneumoniae

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, C)	HicB	polymer	152	16938.7	2	UniProt (A0A0H2URC7)	Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4)
2	B, D (B, D)	HicA	polymer	89	9863.6	2	UniProt (A0A0H2URA5) Pfam (PF07927)	Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4)
3	E, F, H (A, C)	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
4	G (A)	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
5	I, J, K, L (A, B, C, D)	water	water		18.0	85	Chemie (HOH)

Sequence modifications

A, C: 1 - 150 (UniProt: A0A0H2URC7)

PDB	External Database	Details
His -1	-	expression tag
Met 0	-	expression tag

B, D: 1 - 68 (UniProt: A0A0H2URA5)

PDB	External Database	Details
Met -20	-	expression tag
Gly -19	-	expression tag
Ser -18	-	expression tag
Ser -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
Ser -10	-	expression tag
Ser -9	-	expression tag
Gly -8	-	expression tag
Leu -7	-	expression tag
Val -6	-	expression tag
Pro -5	-	expression tag
Arg -4	-	expression tag
Gly -3	-	expression tag
Ser -2	-	expression tag
His -1	-	expression tag
Met 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	53604.5
Non-Polymers*	Number of molecules	4
	Total formula weight	380.3
All*	Total formula weight	53984.8

*Water molecules are not included.