4WEN

Co-complex structure of the F4 fimbrial adhesin FaeG variant ac with llama single domain antibody V2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	K88 fimbrial protein AC	polymer	275	28993.2	1	UniProt (L7XD53) UniProt (by SIFTS) (P14190) In PDB	Escherichia coli
2	B	Anti-F4+ETEC bacteria VHH variable region	polymer	127	13754.3	1	UniProt (R9VYW2) Pfam (PF07686) In PDB	Lama glama (Llama)
3		water	water		18.0	105	Chemie (HOH)

Sequence modifications

A: 19 - 262 (UniProt: L7XD53)

PDB	External Database	Details
Trp 9	-	expression tag
Met 10	-	expression tag
Thr 11	-	expression tag
Gly 12	-	expression tag
His 13	-	expression tag
His 14	-	expression tag
His 15	-	expression tag
His 16	-	expression tag
His 17	-	expression tag
His 18	-	expression tag
Asp 263	-	expression tag
Asn 264	-	expression tag
Lys 265	-	expression tag
Gln 266	-	expression tag
Met 267	-	expression tag
Thr 268	-	expression tag
Gly 269	-	expression tag
Asp 270	-	expression tag
Phe 271	-	expression tag
Asn 272	-	expression tag
Gly 273	-	expression tag
Ser 274	-	expression tag
Val 275	-	expression tag
Asp 276	-	expression tag
Ile 277	-	expression tag
Gly 278	-	expression tag
Gly 279	-	expression tag
Ser 280	-	expression tag
Ile 281	-	expression tag
Thr 282	-	expression tag
Ala 283	-	expression tag

B: 801 - 921 (UniProt: R9VYW2)

PDB	External Database	Details
His 922	-	expression tag
His 923	-	expression tag
His 924	-	expression tag
His 925	-	expression tag
His 926	-	expression tag
His 927	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	42747.5
All*	Total formula weight	42747.5

*Water molecules are not included.