6QGY

Crystal structure of E.coli BamA beta-barrel in complex with nanobody B12

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)	Outer membrane protein assembly factor BamA	polymer	411	46022.8	2	UniProt (P0A942) Pfam (PF01103) UniProt (by SIFTS) (P0A940)	Escherichia coli O157:H7
2	B, D (B, D)	NanoB12	polymer	124	13637.1	2		Lama glama
3	E, F, G, H, I... (A, C)	(HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE	non-polymer		306.4	10	Chemie (C8E)
4	O, P, Q, R (A, B, C, D)	water	water		18.0	317	Chemie (HOH)

Sequence modifications

A, C: 421 - 810 (UniProt: P0A942)

PDB	External Database	Details
Met 400	-	initiating methionine
Gly 401	-	expression tag
Ser 402	-	expression tag
Ser 403	-	expression tag
His 404	-	expression tag
His 405	-	expression tag
His 406	-	expression tag
His 407	-	expression tag
His 408	-	expression tag
His 409	-	expression tag
Ser 410	-	expression tag
Ser 411	-	expression tag
Gly 412	-	expression tag
Glu 413	-	expression tag
Asn 414	-	expression tag
Leu 415	-	expression tag
Tyr 416	-	expression tag
Phe 417	-	expression tag
Gln 418	-	expression tag
His 419	-	expression tag
Met 420	-	expression tag
Ser 690	Cys 690	engineered mutation
Ser 700	Cys 700	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	119319.8
Non-Polymers*	Number of molecules	10
	Total formula weight	3064.4
All*	Total formula weight	122384.1

*Water molecules are not included.