4BQQ

Protein crystal structure of the N-terminal and recombinase domains of the Streptomyces temperate phage serine recombinase, fC31 integrase.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	INTEGRASE	polymer	396	44410.4	2	UniProt (Q9T221) Pfam (PF00239)	STREPTOMYCES PHAGE PHIC31
2	C, D (A, B)	water	water		18.0	185	Chemie (HOH)

Sequence modifications

A, B: 1 - 371 (UniProt: Q9T221)

PDB	External Database	Details
Met -24	-	expression tag
Ser -23	-	expression tag
Tyr -22	-	expression tag
Tyr -21	-	expression tag
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
Asp -14	-	expression tag
Tyr -13	-	expression tag
Asp -12	-	expression tag
Ile -11	-	expression tag
Pro -10	-	expression tag
Thr -9	-	expression tag
Thr -8	-	expression tag
Glu -7	-	expression tag
Asn -6	-	expression tag
Leu -5	-	expression tag
Tyr -4	-	expression tag
Phe -3	-	expression tag
Gln -2	-	expression tag
Gly -1	-	expression tag
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	88820.8
All*	Total formula weight	88820.8

*Water molecules are not included.