3PJL

The crystal structure of Tp34 bound to Co (II) ion at pH 7.5

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)	34 kDa membrane antigen	polymer	212	23417.6	2	UniProt (P19478) Pfam (PF10634)	Treponema pallidum	Pathogen-specific membrane antigen
2	C, D, I, J, K... (A, B)	COBALT (II) ION	non-polymer		58.9	7	Chemie (CO)
3	E, F, N (A, B)	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
4	G, H (A)	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
5	O, P (A, B)	water	water		18.0	218	Chemie (HOH)

Sequence modifications

A, B: 2 - 185 (UniProt: P19478)

PDB	External Database	Details
Met -26	-	expression tag
Ser -25	-	expression tag
Tyr -24	-	expression tag
Tyr -23	-	expression tag
His -22	-	expression tag
His -21	-	expression tag
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
Asp -16	-	expression tag
Tyr -15	-	expression tag
Asp -14	-	expression tag
Ile -13	-	expression tag
Pro -12	-	expression tag
Thr -11	-	expression tag
Thr -10	-	expression tag
Glu -9	-	expression tag
Asn -8	-	expression tag
Leu -7	-	expression tag
Tyr -6	-	expression tag
Phe -5	-	expression tag
Gln -4	-	expression tag
Gly -3	-	expression tag
Ala -2	-	expression tag
Met -1	-	expression tag
Gly 0	-	expression tag
Ser 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	46835.3
Non-Polymers*	Number of molecules	12
	Total formula weight	824.9
All*	Total formula weight	47660.1

*Water molecules are not included.