6QNQ

70S ribosome initiation complex (IC) with experimentally assigned potassium ions

This is a non-PDB format compatible entry.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, FB (13, 1G)	16S ribosomal RNA	polymer	1522	494170.8	2		Thermus thermophilus HB8
2	B, GB (1E, 12)	30S ribosomal protein S2	polymer	256	29317.7	2	UniProt (P80371) Pfam (PF00318)	Thermus thermophilus HB8
3	C, HB (2E, 22)	30S ribosomal protein S3	polymer	239	26751.1	2	UniProt (P80372) Pfam (PF07650) Pfam (PF00189)	Thermus thermophilus HB8
4	D, IB (3E, 32)	30S ribosomal protein S4	polymer	209	24373.4	2	UniProt (P80373) Pfam (PF00163) Pfam (PF01479)	Thermus thermophilus HB8
5	E, JB (4E, 42)	30S ribosomal protein S5	polymer	162	17583.4	2	UniProt (Q5SHQ5) Pfam (PF00333) Pfam (PF03719)	Thermus thermophilus HB8
6	F, KB (5E, 52)	30S ribosomal protein S6	polymer	101	11988.8	2	UniProt (Q5SLP8) Pfam (PF01250)	Thermus thermophilus HB8	TS9
7	G, LB (6E, 62)	30S ribosomal protein S7	polymer	156	18051.0	2	UniProt (P17291) Pfam (PF00177)	Thermus thermophilus HB8
8	H, MB (7E, 72)	30S ribosomal protein S8	polymer	138	15868.6	2	UniProt (P0DOY9) Pfam (PF00410)	Thermus thermophilus HB8
9	I, NB (8E, 82)	30S ribosomal protein S9	polymer	128	14410.6	2	UniProt (P80374) Pfam (PF00380)	Thermus thermophilus HB8
10	J, OB (1I, 1A)	30S ribosomal protein S10	polymer	105	11955.0	2	UniProt (Q5SHN7) Pfam (PF00338)	Thermus thermophilus HB8
11	K, PB (2I, 2A)	30S ribosomal protein S11	polymer	129	13737.9	2	UniProt (P80376) Pfam (PF00411)	Thermus thermophilus HB8
12	L, QB (3I, 3A)	30S ribosomal protein S12	polymer	132	14683.5	2	UniProt (Q5SHN3) Pfam (PF00164)	Thermus thermophilus HB8
13	M, RB (4I, 4A)	30S ribosomal protein S13	polymer	126	14338.9	2	UniProt (P80377) Pfam (PF00416)	Thermus thermophilus HB8
14	N, SB (5I, 5A)	30S ribosomal protein S14 type Z	polymer	61	7158.7	2	UniProt (P0DOY6) Pfam (PF00253)	Thermus thermophilus HB8
15	O, TB (6I, 6A)	30S ribosomal protein S15	polymer	89	10578.4	2	UniProt (Q5SJ76) Pfam (PF00312)	Thermus thermophilus HB8
16	P, UB (7I, 7A)	30S ribosomal protein S16	polymer	88	10410.0	2	UniProt (Q5SJH3) Pfam (PF00886)	Thermus thermophilus HB8
17	Q, VB (8I, 8A)	30S ribosomal protein S17	polymer	105	12325.7	2	UniProt (P0DOY7) Pfam (PF00366)	Thermus thermophilus HB8
18	R, WB (9I, 9A)	30S ribosomal protein S18	polymer	88	10258.3	2	UniProt (Q5SLQ0) Pfam (PF01084)	Thermus thermophilus HB8
19	S, XB (AI, AA)	30S ribosomal protein S19	polymer	93	10605.5	2	UniProt (Q5SHP2) Pfam (PF00203)	Thermus thermophilus HB8
20	T, YB (BI, BA)	30S ribosomal protein S20	polymer	106	11736.1	2	UniProt (P80380) Pfam (PF01649)	Thermus thermophilus HB8
21	U, ZB (1F, 1B)	30S ribosomal protein Thx	polymer	27	3350.0	2	UniProt (Q5SIH3) Pfam (PF17070)	Thermus thermophilus HB8	S31
22	BC, V, X (1K, 3K, 3L)	E. coli tRNAfMet	polymer	77	24802.8	3		Escherichia coli K-12
23	W (2K)	E. coli tRNAfMet	polymer	77	24865.0	1		Escherichia coli K-12
24	CC, Y (4K, 4L)	mRNA	polymer	27	8885.5	2		Escherichia coli K-12
25	DC, Z (1H, 14)	23S ribosomal RNA	polymer	2917	948652.1	2		Thermus thermophilus HB8
26	AA, EC (16, 1J)	5S ribosomal RNA	polymer	122	39540.6	2	GenBank (55771382)	Thermus thermophilus HB8
27	BA (71)	50S ribosomal protein L1	polymer	229	24867.7	1	UniProt (P27150) Pfam (PF00687) UniProt (by SIFTS) (Q5SLP7)	Thermus thermophilus HB8
28	CA, FC (11, 19)	50S ribosomal protein L2	polymer	276	30532.6	2	UniProt (P60405) Pfam (PF00181) Pfam (PF03947)	Thermus thermophilus HB8
29	DA, GC (21, 29)	50S ribosomal protein L3	polymer	206	22450.2	2	UniProt (Q5SHN8) Pfam (PF00297)	Thermus thermophilus HB8
30	EA, HC (31, 39)	50S ribosomal protein L4	polymer	210	23271.9	2	UniProt (Q5SHN9) Pfam (PF00573)	Thermus thermophilus HB8	L1e
31	FA, IC (41, 49)	50S ribosomal protein L5	polymer	182	21061.6	2	UniProt (Q5SHQ0) Pfam (PF00281) Pfam (PF00673)	Thermus thermophilus HB8
32	GA, JC (51, 59)	50S ribosomal protein L6	polymer	180	19568.9	2	UniProt (P0DOY8) Pfam (PF00347)	Thermus thermophilus HB8
33	HA, KC (61, 69)	50S ribosomal protein L9	polymer	148	16422.2	2	UniProt (Q5SLQ1) Pfam (PF01281) Pfam (PF03948)	Thermus thermophilus HB8
34	IA (38)	50S ribosomal protein L10	polymer	173	18586.6	1	UniProt (Q8VVE3) Pfam (PF00466)	Thermus thermophilus HB8
35	JA, LC (58, 15)	50S ribosomal protein L13	polymer	140	15927.9	2	UniProt (P60488) Pfam (PF00572)	Thermus thermophilus HB8
36	KA, MC (68, 25)	50S ribosomal protein L14	polymer	122	13323.6	2	UniProt (Q5SHP8) Pfam (PF00238)	Thermus thermophilus HB8
37	LA, NC (78, 35)	50S ribosomal protein L15	polymer	150	16319.1	2	UniProt (Q5SHQ7) Pfam (PF00828)	Thermus thermophilus HB8
38	MA, OC (88, 45)	50S ribosomal protein L16	polymer	141	15993.9	2	UniProt (P60489) Pfam (PF00252)	Thermus thermophilus HB8
39	NA, PC (98, 55)	50S ribosomal protein L17	polymer	118	13750.1	2	UniProt (Q9Z9H5) Pfam (PF01196)	Thermus thermophilus HB8
40	OA, QC (A8, 65)	50S ribosomal protein L18	polymer	112	12639.8	2	UniProt (Q5SHQ4) Pfam (PF00861)	Thermus thermophilus HB8	TL24
41	PA, RC (B8, 75)	50S ribosomal protein L19	polymer	146	17188.8	2	UniProt (P60490) Pfam (PF01245)	Thermus thermophilus HB8
42	QA, SC (C8, 85)	50S ribosomal protein L20	polymer	118	13779.3	2	UniProt (P60491) Pfam (PF00453)	Thermus thermophilus HB8
43	RA, TC (D8, 95)	50S ribosomal protein L21	polymer	101	11069.2	2	UniProt (P60492) Pfam (PF00829)	Thermus thermophilus HB8
44	SA, UC (E8, A5)	50S ribosomal protein L22	polymer	113	12808.1	2	UniProt (Q5SHP3) Pfam (PF00237)	Thermus thermophilus HB8
45	TA, VC (F8, B5)	50S ribosomal protein L23	polymer	96	10759.8	2	UniProt (Q5SHP0) Pfam (PF00276)	Thermus thermophilus HB8
46	UA, WC (G8, C5)	50S ribosomal protein L24	polymer	110	12085.6	2	UniProt (Q5SHP9) Pfam (PF00467) Pfam (PF17136)	Thermus thermophilus HB8
47	VA, XC (H8, D5)	50S ribosomal protein L25	polymer	206	23238.6	2	UniProt (Q5SHZ1) Pfam (PF01386) Pfam (PF14693)	Thermus thermophilus HB8	TL5
48	WA, YC (I8, E5)	50S ribosomal protein L27	polymer	85	9529.1	2	UniProt (P60493) Pfam (PF01016)	Thermus thermophilus HB8
49	XA, ZC (J8, F5)	50S ribosomal protein L28	polymer	96	10777.8	2	UniProt (P60494) Pfam (PF00830)	Thermus thermophilus HB8
50	AD, YA (K8, G5)	50S ribosomal protein L29	polymer	72	8670.3	2	UniProt (Q5SHP6) Pfam (PF00831)	Thermus thermophilus HB8
51	BD, ZA (L8, H5)	50S ribosomal protein L30	polymer	60	6799.1	2	UniProt (Q5SHQ6) Pfam (PF00327)	Thermus thermophilus HB8
52	AB, CD (M8, I5)	50S ribosomal protein L31	polymer	71	8300.5	2	UniProt (Q5SJE1) Pfam (PF01197)	Thermus thermophilus HB8
53	BB, DD (N8, J5)	50S ribosomal protein L32	polymer	60	6722.1	2	UniProt (P80339) Pfam (PF01783)	Thermus thermophilus HB8
54	CB, ED (O8, K5)	50S ribosomal protein L33	polymer	54	6632.9	2	UniProt (P35871) Pfam (PF00471)	Thermus thermophilus HB8
55	DB, FD (P8, L5)	50S ribosomal protein L34	polymer	49	6132.4	2	UniProt (P80340) Pfam (PF00468)	Thermus thermophilus HB8
56	EB, GD (Q8, M5)	50S ribosomal protein L35	polymer	65	7506.2	2	UniProt (Q5SKU1) Pfam (PF01632)	Thermus thermophilus HB8
57	AC (2L)	E. coli tRNAfMet	polymer	77	24862.9	1		Escherichia coli K-12
58	AE, AEA, AFA, AK, AKA... (13, 11, 1G, 1H, 14...)	POTASSIUM ION	non-polymer		39.1	296	Chemie (K)
59	AAA, AAB, ABA, ACA, ADA... (1H, 55, 13, 1G, 14...)	MAGNESIUM ION	non-polymer		24.3	969	Chemie (MG)
60	AJ, SJA (3E, 32)	IRON/SULFUR CLUSTER	non-polymer		351.6	2	Chemie (SF4)
61	FJ, VJA (5I, 5A)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
62	ABB, BBB, CAB, CBB, DAB... (Q8, 1G, 13, 32, 3E...)	water	water		18.0	2267	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	111
	Total formula weight	4515576.7
Non-Polymers*	Number of molecules	1269
	Total formula weight	35958.7
All*	Total formula weight	4551535.3

*Water molecules are not included.