6V9H

Ankyrin repeat and SOCS-box protein 9 (ASB9), ElonginB (ELOB), and ElonginC (ELOC) bound to its substrate Brain-type Creatine Kinase (CKB)

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)	Creatine kinase B-type	polymer	381	42699.2	2	UniProt (P12277) Pfam (PF02807) Pfam (PF00217)	Homo sapiens (Human)	Brain creatine kinase,B-CK,Creatine kinase B chain,Creatine phosphokinase B-type,CPK-B
2	C (C)	Ankyrin repeat and SOCS box protein 9	polymer	314	34186.1	1	UniProt (Q96DX5) Pfam (PF12796) Pfam (PF07525)	Homo sapiens (Human)	ASB-9
3	D (D)	Elongin-C	polymer	97	10974.6	1	UniProt (Q15369) Pfam (PF03931)	Homo sapiens (Human)	EloC,Elongin 15 kDa subunit,RNA polymerase II transcription factor SIII subunit C,SIII p15,Transcription elongation factor B polypeptide 1
4	E (E)	Elongin-B	polymer	118	13147.8	1	UniProt (Q15370) Pfam (PF00240)	Homo sapiens (Human)	EloB,Elongin 18 kDa subunit,RNA polymerase II transcription factor SIII subunit B,SIII p18,Transcription elongation factor B polypeptide 2

Sequence modifications

C: 1 - 294 (UniProt: Q96DX5)

PDB	External Database	Details
Met -19	-	initiating methionine
Lys -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Gly -9	-	expression tag
Gly -8	-	expression tag
Leu -7	-	expression tag
Val -6	-	expression tag
Pro -5	-	expression tag
Arg -4	-	expression tag
Gly -3	-	expression tag
Ser -2	-	expression tag
His -1	-	expression tag
Gly 0	-	expression tag

D: 17 - 112 (UniProt: Q15369)

PDB	External Database	Details
Met 16	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	143707.0
All*	Total formula weight	143707.0

*Water molecules are not included.