6QLB

Calpain small subunit 1, RNA-binding protein Hfq

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 (A, B, C, D)	Calpain small subunit 1	polymer	173	19997.6	4	UniProt (P04632)	Homo sapiens (Human)	CSS1,Calcium-activated neutral proteinase small subunit,CANP small subunit,Calcium-dependent protease small subunit,CDPS,Calcium-dependent protease small subunit 1,Calpain regulatory subunit
2	E, F, G, H (E, F, G, H)	RNA-binding protein Hfq	polymer	63	7065.2	4	UniProt (A0A376T1I0) Pfam (PF17209) UniProt (by SIFTS) (P0A6X3)	Escherichia coli
3	AA, BA, CA, DA, EA... (C, D, A, B)	CALCIUM ION	non-polymer		40.1	20	Chemie (CA)
4	GA, HA, IA, N (E, F, H, A)	GUANINE	non-polymer		151.1	4	Chemie (GUN)
5	O (A)	1,2-ETHANEDIOL	non-polymer		62.1	1	Chemie (EDO)
6	U, V (B, C)	1-ETHOXY-2-(2-ETHOXYETHOXY)ETHANE	non-polymer		162.2	2	Chemie (P4G)
7	JA, KA, LA, MA, NA... (A, B, C, D, E...)	water	water		18.0	156	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 173 (UniProt: P04632)

PDB	External Database	Details
Lys 8	Arg 103	conflict
Val 11	Ala 106	conflict
Lys 78	Arg 173	conflict
Gly 81	Ala 176	conflict
Arg 85	Gln 180	conflict
Gly 95	Cys 190	conflict
Asn 97	Ser 192	conflict
Gln 112	Glu 207	conflict
Ile 114	Leu 209	conflict
Ser 116	Asn 211	conflict
Thr 126	Ser 221	conflict
Arg 149	Lys 244	conflict
Asn 154	Asp 249	conflict

E, F, G, H: 1 - 62 (UniProt: A0A376T1I0)

PDB	External Database	Details
Ala 63	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	108251.3
Non-Polymers*	Number of molecules	27
	Total formula weight	1792.6
All*	Total formula weight	110043.9

*Water molecules are not included.