4CNB

Structure of proximal thread matrix protein 1 (PTMP1) from the mussel byssus - Crystal form 2

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)	PROXIMAL THREAD MATRIX PROTEIN 1	polymer	454	48970.3	2	UniProt (Q8T5C2) Pfam (PF00092)	MYTILUS GALLOPROVINCIALIS (MEDITERRANEAN MUSSEL)
2	C, F (A, B)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	D, E, G (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	3	Chemie (EDO)
4	H, I (A, B)	water	water		18.0	333	Chemie (HOH)

Sequence modifications

A, B: 1 - 453 (UniProt: Q8T5C2)

PDB	External Database	Details
Ser 0	-	expression tag
Lys 10	Glu 10	conflict
Arg 38	Gln 38	conflict
Thr 328	Ser 328	conflict

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	97940.7
Non-Polymers*	Number of molecules	5
	Total formula weight	378.3
All*	Total formula weight	98319.0

*Water molecules are not included.