3E4W

Crystal structure of a 33kDa catalase-related protein from Mycobacterium avium subsp. paratuberculosis. P2(1)2(1)2(1) crystal form.

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)	Putative uncharacterized protein	polymer	320	34320.7	2	UniProt (Q73WB6) Pfam (PF00199)	Mycobacterium avium subsp. paratuberculosis
2	C, J (A, B)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
3	D, E, F, K, L... (A, B)	HEXANE-1,6-DIOL	non-polymer		118.2	6	Chemie (HEZ)
4	G, H, I, N, O (A, B)	PHOSPHATE ION	non-polymer		95.0	5	Chemie (PO4)
5	P (B)	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
6	Q, R (A, B)	water	water		18.0	367	Chemie (HOH)

Sequence modifications

A, B: 1 - 313 (UniProt: Q73WB6)

PDB	External Database	Details
Met -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	68641.3
Non-Polymers*	Number of molecules	14
	Total formula weight	2509.0
All*	Total formula weight	71150.3

*Water molecules are not included.