7PWF

Cryo-EM structure of small subunit of Giardia lamblia ribosome at 2.9 A resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	d	Ribosomal protein S29A	polymer	137	15499.8	1	UniProt (A8B7H6) Pfam (PF00253) In PDB	Giardia lamblia ATCC 50803
2	T	Ribosomal protein S19e	polymer	139	15463.9	1	UniProt (A0A644F964) Pfam (PF01090) In PDB	Giardia lamblia ATCC 50803
3	N	Ribosomal protein S13	polymer	154	17627.9	1	UniProt (A8BE02) Pfam (PF08069) Pfam (PF00312) In PDB	Giardia lamblia ATCC 50803
4	J	Ribosomal protein S9	polymer	189	21699.3	1	UniProt (A8BKS8) Pfam (PF00163) Pfam (PF01479) In PDB	Giardia lamblia ATCC 50803
5	D	Ribosomal protein S3	polymer	217	24779.1	1	UniProt (A8B8Z2) Pfam (PF00189) In PDB	Giardia lamblia ATCC 50803
6	X	Ribosomal protein S23	polymer	143	15897.8	1	UniProt (A8BS96) Pfam (PF00164) In PDB	Giardia lamblia ATCC 50803
7	S	Ribosomal protein S18	polymer	154	17510.3	1	UniProt (A8BZ58) Pfam (PF00416) In PDB	Giardia lamblia ATCC 50803
8	Q	Ribosomal protein S16	polymer	158	17634.6	1	UniProt (A8BKC6) Pfam (PF00380) In PDB	Giardia lamblia ATCC 50803
9	C	Ribosomal protein S2	polymer	242	26765.7	1	UniProt (A8BMZ1) Pfam (PF00333) Pfam (PF03719) In PDB	Giardia lamblia ATCC 50803
10	A	40S ribosomal protein SA	polymer	245	28101.8	1	UniProt (A8BE86) Pfam (PF00318) In PDB	Giardia lamblia ATCC 50803
11	B	40S ribosomal protein S3a	polymer	248	28413.1	1	UniProt (A8BS79) Pfam (PF01015) In PDB	Giardia lamblia ATCC 50803
12	Y	Ribosomal protein S24	polymer	132	14872.6	1	UniProt (A8B593) Pfam (PF01282) In PDB	Giardia lamblia ATCC 50803
13	b	Ribosomal protein S27	polymer	124	14117.3	1	UniProt (A8BJL1) Pfam (PF01667) In PDB	Giardia lamblia ATCC 50803
14	a	40S ribosomal protein S26	polymer	109	12791.0	1	UniProt (A8BQZ7) Pfam (PF01283) In PDB	Giardia lamblia ATCC 50803
15	Z	40S ribosomal protein S25	polymer	88	10121.1	1	UniProt (A8B8H7) Pfam (PF03297) In PDB	Giardia lamblia ATCC 50803
16	V	40S ribosomal protein S21	polymer	89	9686.1	1	UniProt (A8B484) Pfam (PF01249) In PDB	Giardia lamblia ATCC 50803
17	P	Ribosomal protein S15	polymer	145	16728.1	1	UniProt (A8BBP3) Pfam (PF00203) In PDB	Giardia lamblia ATCC 50803
18	R	Ribosomal protein S17	polymer	137	15757.4	1	UniProt (A8BRG5) Pfam (PF00833) In PDB	Giardia lamblia ATCC 50803
19	K	Ribosomal protein S10B	polymer	134	15406.6	1	UniProt (A8BRX3) Pfam (PF03501) In PDB	Giardia lamblia ATCC 50803
20	I	40S ribosomal protein S8	polymer	174	19451.6	1	UniProt (A8B252) Pfam (PF01201) In PDB	Giardia lamblia ATCC 50803
21	e	40S ribosomal protein S30	polymer	69	7932.4	1	UniProt (A0A644F843) Pfam (PF04758) In PDB	Giardia lamblia ATCC 50803
22	H	Ribosomal protein eS7	polymer	190	21786.5	1	Pfam (PF01251) UniProt (by SIFTS) (A8BT38) In PDB	Giardia lamblia ATCC 50803
23	n	Ribosomal protein eL41	polymer	41	5194.3	1	Pfam (PF05162) UniProt (by SIFTS) (V6TX21) In PDB	Giardia lamblia ATCC 50803
24	c	Ribosomal protein S28	polymer	64	7358.6	1	UniProt (A8B4F3) Pfam (PF01200) In PDB	Giardia lamblia ATCC 50803
25	O	Ribosomal protein S14	polymer	145	15756.0	1	UniProt (E2RU83) Pfam (PF00411) In PDB	Giardia lamblia ATCC 50803
26	W	Ribosomal protein S15A	polymer	130	14770.3	1	UniProt (E2RU77) Pfam (PF00410) In PDB	Giardia lamblia ATCC 50803
27	E	40S ribosomal protein S4	polymer	268	30464.8	1	UniProt (A8BFE3) Pfam (PF08071) Pfam (PF00900) Pfam (PF16121) In PDB	Giardia lamblia ATCC 50803
28	2	rRNA 18S	polymer	1452	471124.5	1		Giardia lamblia ATCC 50803
29	L	SSU ribosomal protein S17P	polymer	199	23245.0	1	UniProt (V6TVJ7) Pfam (PF16205) Pfam (PF00366) In PDB	Giardia lamblia ATCC 50803
30	U	Ribosomal protein S20	polymer	126	14073.2	1	UniProt (A8B4G0) Pfam (PF00338) In PDB	Giardia lamblia ATCC 50803
31	G	40S ribosomal protein S6	polymer	248	28084.1	1	UniProt (A8B6L8) Pfam (PF01092) In PDB	Giardia lamblia ATCC 50803
32	F	Ribosomal protein S5	polymer	190	21058.3	1	UniProt (A8BZD3) Pfam (PF00177) In PDB	Giardia lamblia ATCC 50803
33	O, 2, W, E, d...	POTASSIUM ION	non-polymer		39.1	266	Chemie (K)
34	2, N, I	MAGNESIUM ION	non-polymer		24.3	37	Chemie (MG)

Sequence modifications

L: 2 - 200 (UniProt: V6TVJ7)

PDB	External Database	Details
Ser 12	Gly 35	variant

Contents of the asymmetric unit

Polymers	Number of chains	32
	Total formula weight	1019173.3
Non-Polymers*	Number of molecules	303
	Total formula weight	11299.4
All*	Total formula weight	1030472.7

*Water molecules are not included.