6DTF

Crystal structure of Haemophilus influenzae OppA complex with KKK

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Periplasmic oligopeptide-binding protein	polymer	530	59987.0	1	UniProt (Q4QLH0) Pfam (PF00496) In PDB	Haemophilus influenzae (strain 86-028NP)
2	B	LYS-LYS-LYS	polymer	3	405.6	1		Haemophilus influenzae 86-028NP
3	A	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4		water	water		18.0	249	Chemie (HOH)

Sequence modifications

A: 21 - 541 (UniProt: Q4QLH0)

PDB	External Database	Details
Met 20	-	expression tag
Leu 542	-	expression tag
Glu 543	-	expression tag
His 544	-	expression tag
His 545	-	expression tag
His 546	-	expression tag
His 547	-	expression tag
His 548	-	expression tag
His 549	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	60392.6
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	60584.7

*Water molecules are not included.