3BB4

Crystal structure of Toc33 from Arabidopsis thaliana 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	T7I23.11 protein	polymer	262	29257.5	1	UniProt (O23680) Pfam (PF04548) In PDB	Arabidopsis thaliana (thale cress)	At1g02280, At1g02280/T7I23.11, AtToc33 protein
2	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	A	PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER	non-polymer		522.2	1	Chemie (GNP)
4		water	water		18.0	27	Chemie (HOH)

Sequence modifications

A: 1 - 251 (UniProt: O23680)

PDB	External Database	Details
Glu 181	Ser 181	engineered mutation
Ala 252	-	expression tag
Ala 253	-	expression tag
Ala 254	-	expression tag
Leu 255	-	expression tag
Glu 256	-	expression tag
His 257	-	expression tag
His 258	-	expression tag
His 259	-	expression tag
His 260	-	expression tag
His 261	-	expression tag
His 262	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	29257.5
Non-Polymers*	Number of molecules	2
	Total formula weight	546.5
All*	Total formula weight	29804.0

*Water molecules are not included.