8QA8

Crystal structure of the C-terminally truncated transcriptional repressor protein KorB from the RK2 plasmid complexed with CTP-gamma-S

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... (A, B, C, D, E...)	Transcriptional repressor protein KorB	polymer	237	26418.6	6	UniProt (P07674) Pfam (PF02195) Pfam (PF08535)	Escherichia coli
2	EA, G, L, Q, U... (F, A, B, C, D...)	CYTIDINE-5'-TRIPHOSPHATE	non-polymer		483.2	6	Chemie (CTP)
3	AA, BA, CA, DA, FA... (E, F, A, B, C...)	CHLORIDE ION	non-polymer		35.5	22	Chemie (CL)
4	IA, JA, KA, LA, MA... (A, B, C, D, E...)	water	water		18.0	204	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F: 31 - 253 (UniProt: P07674)

PDB	External Database	Details
Met 30	-	initiating methionine
Lys 254	-	expression tag
Leu 255	-	expression tag
Ala 256	-	expression tag
Ala 257	-	expression tag
Ala 258	-	expression tag
Leu 259	-	expression tag
Glu 260	-	expression tag
His 261	-	expression tag
His 262	-	expression tag
His 263	-	expression tag
His 264	-	expression tag
His 265	-	expression tag
His 266	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	158511.5
Non-Polymers*	Number of molecules	28
	Total formula weight	3678.9
All*	Total formula weight	162190.4

*Water molecules are not included.