3BB1

Crystal structure of Toc34 from Pisum sativum in complex with Mg2+ and GMPPNP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E...	Translocase of chloroplast 34	polymer	274	30007.1	8	UniProt (Q41009) Pfam (PF04548) In PDB	Pisum sativum (pea)	psToc34, 34 kDa chloroplast outer envelope protein, GTP-binding protein OEP34, GTP-binding protein IAP34
2	G, H, A, B, C...	MAGNESIUM ION	non-polymer		24.3	8	Chemie (MG)
3	G, H, A, B, C...	PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER	non-polymer		522.2	8	Chemie (GNP)
4	A, F	TRIETHYLENE GLYCOL	non-polymer		150.2	2	Chemie (PGE)
5	G, A, C, E, F	GLYCEROL	non-polymer		92.1	6	Chemie (GOL)
6		water	water		18.0	327	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F, G, H: 1 - 266 (UniProt: Q41009)

PDB	External Database	Details
Gly 10	Glu 10	engineered mutation
Leu 267	-	expression tag
Glu 268	-	expression tag
His 269	-	expression tag
His 270	-	expression tag
His 271	-	expression tag
His 272	-	expression tag
His 273	-	expression tag
His 274	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	240057.2
Non-Polymers*	Number of molecules	24
	Total formula weight	5224.9
All*	Total formula weight	245282.1

*Water molecules are not included.