8BBJ

Secretagogin (mouse) in complex with its target peptide from Syntaxin-4

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Green fluorescent protein,Syntaxin-4	polymer	261	29433.2	2	UniProt (P42212) UniProt (P70452) Pfam (PF01353) In PDB	Aequorea victoria
2	C, D	Secretagogin	polymer	190	21998.1	2	UniProt (Q91WD9) Pfam (PF13499) Pfam (PF13202) In PDB	Mus musculus (house mouse)
3	C, D	CALCIUM ION	non-polymer		40.1	8	Chemie (CA)
4	C	CACODYLATE ION	non-polymer		137.0	1	Chemie (CAC)
5		water	water		18.0	12	Chemie (HOH)

Sequence modifications

A, B: 2 - 228 (UniProt: P42212)

PDB	External Database	Details
Ser -1	-	expression tag
Met 0	-	expression tag
Ala 1	-	expression tag
Leu 64	Phe 64	engineered mutation
Cro 66	Ser 65	chromophore
Cro 66	Tyr 66	chromophore
Cro 66	Gly 67	chromophore
Arg 80	Gln 80	engineered mutation
Thr 167	Ile 167	engineered mutation
Thr 229	-	linker
Met 230	-	linker
Ala 231	-	linker

A, B: 232 - 259 (UniProt: P70452)
C, D: 90 - 276 (UniProt: Q91WD9)

PDB	External Database	Details
Ser 87	-	expression tag
Met 88	-	expression tag
Ala 89	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	102862.7
Non-Polymers*	Number of molecules	9
	Total formula weight	457.6
All*	Total formula weight	103320.3

*Water molecules are not included.