2c37

RNASE PH CORE OF THE ARCHAEAL EXOSOME IN COMPLEX WITH U8 RNA

Method: X-RAY DIFFRACTION

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1. Protein Identity and Related Structures Protein Identity & Related Structures

PROBABLE EXOSOME COMPLEX EXONUCLEASE 2

SULFOLOBUS SOLFATARICUS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 6	PROBABLE EXOSOME COMPLEX EXONUCLEASE 1 × 3 （Q9UXC2） URIDINE-5'-MONOPHOSPHATE × 8 CHLORIDE ION × 3	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 6	PROBABLE EXOSOME COMPLEX EXONUCLEASE 1 × 3 （Q9UXC2） URIDINE-5'-MONOPHOSPHATE × 6 CHLORIDE ION × 3	Consistent with protein count
3	Protein heterocomplex	Heteromer	Protein 6	PROBABLE EXOSOME COMPLEX EXONUCLEASE 1 × 3 （Q9UXC2） URIDINE-5'-MONOPHOSPHATE × 3 CHLORIDE ION × 3 5-O-phosphono-beta-D-ribofuranose × 1	Consistent with protein count
4	Protein heterocomplex	Heteromer	Protein 6	PROBABLE EXOSOME COMPLEX EXONUCLEASE 1 × 3 （Q9UXC2） URIDINE-5'-MONOPHOSPHATE × 8 CHLORIDE ION × 3 SODIUM ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ECX2_SULSO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–275； UniProt 1–275 Author chain C； PDBConstruct 1–275； UniProt 1–275 Author chain E； PDBConstruct 1–275； UniProt 1–275 Author chain G； PDBConstruct 1–275； UniProt 1–275 Author chain I； PDBConstruct 1–275； UniProt 1–275 Author chain K； PDBConstruct 1–275； UniProt 1–275 Author chain M； PDBConstruct 1–275； UniProt 1–275 Author chain O； PDBConstruct 1–275； UniProt 1–275 Author chain Q； PDBConstruct 1–275； UniProt 1–275 Author chain S； PDBConstruct 1–275； UniProt 1–275 Author chain U； PDBConstruct 1–275； UniProt 1–275 Author chain W； PDBConstruct 1–275； UniProt 1–275

PROBABLE EXOSOME COMPLEX EXONUCLEASE 1

SULFOLOBUS SOLFATARICUS

UniProt Q9UXC2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 6	PROBABLE EXOSOME COMPLEX EXONUCLEASE 2 × 3 （Q9UXC0） URIDINE-5'-MONOPHOSPHATE × 8 CHLORIDE ION × 3	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 6	PROBABLE EXOSOME COMPLEX EXONUCLEASE 2 × 3 （Q9UXC0） URIDINE-5'-MONOPHOSPHATE × 6 CHLORIDE ION × 3	Consistent with protein count
3	Protein heterocomplex	Heteromer	Protein 6	PROBABLE EXOSOME COMPLEX EXONUCLEASE 2 × 3 （Q9UXC0） URIDINE-5'-MONOPHOSPHATE × 3 CHLORIDE ION × 3 5-O-phosphono-beta-D-ribofuranose × 1	Consistent with protein count
4	Protein heterocomplex	Heteromer	Protein 6	PROBABLE EXOSOME COMPLEX EXONUCLEASE 2 × 3 （Q9UXC0） URIDINE-5'-MONOPHOSPHATE × 8 CHLORIDE ION × 3 SODIUM ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	ECX1_SULSO
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–248； UniProt 1–248 Author chain D； PDBConstruct 1–248； UniProt 1–248 Author chain F； PDBConstruct 1–248； UniProt 1–248 Author chain H； PDBConstruct 1–248； UniProt 1–248 Author chain J； PDBConstruct 1–248； UniProt 1–248 Author chain L； PDBConstruct 1–248； UniProt 1–248 Author chain N； PDBConstruct 1–248； UniProt 1–248 Author chain P； PDBConstruct 1–248； UniProt 1–248 Author chain R； PDBConstruct 1–248； UniProt 1–248 Author chain T； PDBConstruct 1–248； UniProt 1–248 Author chain V； PDBConstruct 1–248； UniProt 1–248 Author chain X； PDBConstruct 1–248； UniProt 1–248

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	2c37
Deposition date deposition_date	2005-10-04
Structure title title	RNASE PH CORE OF THE ARCHAEAL EXOSOME IN COMPLEX WITH U8 RNA
Keywords keywords	EXOSOME, RRP41, RRP42, EXORIBONUCLEASE, RNA DEGRADATION, ARCHAEAL, HYDROLASE; HYDROLASE
Experimental Method method	X-RAY DIFFRACTION

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

2c37__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2c37__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2c37__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	35.45 Å
Rg (electron density)	34.84 Å
Total Rg	35.45 Å
Atom count	11647
Residues	1509
Excluded volume	209050 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2c37__assembly_1__model_1`	hexameric （6）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2c37__assembly_2__model_1`	hexameric （6）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2c37__assembly_3__model_1`	hexameric （6）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`2c37__assembly_4__model_1`	hexameric （6）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Description description	PROBABLE EXOSOME COMPLEX EXONUCLEASE 2
Molecular weight formula_weight	30227.6 kDa
EC 编号 ec_number	3.1.13.-
Source method src_method	man
Copy count entity_count	12

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,C,E,G,I,K,M,O,Q,S,U,W
Atom count atom_count	46570

MSSTPSNQNIIPIIKKESIVSLFEKGIRQDGRKLTDYRPLSITLDYAKKADGSALVKLGTTMVLAGTKLEIDKPYEDTPNQGNLIVNVELLPLAYETFEPGPPDENAIELARVVDRSLRDSKALDLTKLVIEPGKSVWTVWLDVYVLDYGGNVLDACTLASVAALYNTKVYKVEQHSNGISVNKNEVVGKLPLNYPVVTISVAKVDKYLVVDPDLDEESIMDAKISFSYTPDLKIVGIQKSGKGSMSLQDIDQAENTARSTAVKLLEELKKHLGI

Source Source

Source organism organism	SULFOLOBUS SOLFATARICUS
NCBI taxonomy ID ncbi_taxonomy_id	2287
Host organism host_organism	ESCHERICHIA COLI

Entity 2 Entity 2 polymer

Description description	PROBABLE EXOSOME COMPLEX EXONUCLEASE 1
Molecular weight formula_weight	27612.9 kDa
EC 编号 ec_number	3.1.13.-
Source method src_method	man
Copy count entity_count	12

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,D,F,H,J,L,N,P,R,T,V,X

MREMLQVERPKLILDDGKRTDGRKPDELRSIKIELGVLKNADGSAIFEMGNTKAIAAVYGPKEMHPRHLSLPDRAVLRVRYHMTPFSTDERKNPAPSRREIELSKVIREALESAVLVELFPRTAIDVFTEILQADAGSRLVSLMAASLALADAGIPMRDLIAGVAVGKADGVIILDLNETEDMWGEADMPIAMMPSLNQVTLFQLNGSMTPDEFRQAFDLAVKGINIIYNLEREALKSKYVEFKEEGV

Source Source

Source organism organism	SULFOLOBUS SOLFATARICUS
NCBI taxonomy ID ncbi_taxonomy_id	2287
Host organism host_organism	ESCHERICHIA COLI

Entity 3 Entity 3 non-polymer

Description description	URIDINE-5'-MONOPHOSPHATE
Molecular weight formula_weight	324.2 kDa
Source method src_method	syn
Copy count entity_count	25

Entity 4 Entity 4 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	12

Entity 5 Entity 5 non-polymer

Description description	5-O-phosphono-beta-D-ribofuranose
Molecular weight formula_weight	230.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 6 Entity 6 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	1

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6. Fold Classification (SCOP + CATH) 72 domains

SCOP 2.08 (48 domains)

Domain ID domain_id	d2c37a1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37a2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.0 — automated matches

Domain ID domain_id	d2c37b1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37b2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.1 — Ribonuclease PH domain 2-like

Domain ID domain_id	d2c37c1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37c2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.0 — automated matches

Domain ID domain_id	d2c37d1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37d2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.1 — Ribonuclease PH domain 2-like

Domain ID domain_id	d2c37e1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37e2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.0 — automated matches

Domain ID domain_id	d2c37f1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37f2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.1 — Ribonuclease PH domain 2-like

Domain ID domain_id	d2c37g1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37g2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.0 — automated matches

Domain ID domain_id	d2c37h1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37h2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.1 — Ribonuclease PH domain 2-like

Domain ID domain_id	d2c37i1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37i2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.0 — automated matches

Domain ID domain_id	d2c37j1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37j2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.1 — Ribonuclease PH domain 2-like

Domain ID domain_id	d2c37k1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37k2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.0 — automated matches

Domain ID domain_id	d2c37l1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37l2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.1 — Ribonuclease PH domain 2-like

Domain ID domain_id	d2c37m1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37m2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.0 — automated matches

Domain ID domain_id	d2c37n1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37n2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.1 — Ribonuclease PH domain 2-like

Domain ID domain_id	d2c37o1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37o2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.0 — automated matches

Domain ID domain_id	d2c37p1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37p2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.1 — Ribonuclease PH domain 2-like

Domain ID domain_id	d2c37q1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37q2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.0 — automated matches

Domain ID domain_id	d2c37r1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37r2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.1 — Ribonuclease PH domain 2-like

Domain ID domain_id	d2c37s1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37s2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.0 — automated matches

Domain ID domain_id	d2c37t1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37t2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.1 — Ribonuclease PH domain 2-like

Domain ID domain_id	d2c37u1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37u2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.0 — automated matches

Domain ID domain_id	d2c37v1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37v2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.1 — Ribonuclease PH domain 2-like

Domain ID domain_id	d2c37w1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37w2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.0 — automated matches

Domain ID domain_id	d2c37x1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.14 — Ribosomal protein S5 domain 2-like
Superfamily Superfamily superfamily	d.14.1 — Ribosomal protein S5 domain 2-like
Family Family family	d.14.1.4 — Ribonuclease PH domain 1-like

Domain ID domain_id	d2c37x2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.101 — Ribonuclease PH domain 2-like
Superfamily Superfamily superfamily	d.101.1 — Ribonuclease PH domain 2-like
Family Family family	d.101.1.1 — Ribonuclease PH domain 2-like

CATH v4.4 (24 domains)

Domain ID domain_id	2c37A01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37B01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37C01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37D01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37E01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37F01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37G01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37H01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37I01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37J01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37K01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37L01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37M01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37N01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37O01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37P01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37Q01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37R01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37S01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37T01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37U01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37V01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37W01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

Domain ID domain_id	2c37X01
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily	70 — GHMP Kinase, N-terminal domain

▶

Unit-cell length a length_a	207.020 Å
Unit-cell length b length_b	212.940 Å
Unit-cell length c length_c	433.090 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	96

Space group space_group	C 2 2 21
Space-group number int_tables_number	20
Crystal system crystal_system	—

Resolution resolution	2.800 Å
Low-resolution limit resolution_low	93.250 Å
R factor r_factor	0.2670
R_work r_work	0.2660
R_free r_free	0.2820

RNASE PH CORE OF THE ARCHAEAL EXOSOME IN COMPLEX WITH U8 RNA

1. Protein Identity and Related Structures Protein Identity & Related Structures

PROBABLE EXOSOME COMPLEX EXONUCLEASE 2

State in the Current Structure

Other States of the Same Protein in the Database

PROBABLE EXOSOME COMPLEX EXONUCLEASE 1

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

2c37__assembly_1__model_1

2c37__assembly_1__model_1 | I(q)

2c37__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

6. Fold Classification (SCOP + CATH) 72 domains

SCOP 2.08 (48 domains)

CATH v4.4 (24 domains)

7. Citations (1)

RNASE PH CORE OF THE ARCHAEAL EXOSOME IN COMPLEX WITH U8 RNA

1. Protein Identity and Related Structures Protein Identity & Related Structures

PROBABLE EXOSOME COMPLEX EXONUCLEASE 2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PROBABLE EXOSOME COMPLEX EXONUCLEASE 1

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

2c37__assembly_1__model_1

2c37__assembly_1__model_1 | I(q)

2c37__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (6)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

6. Fold Classification (SCOP + CATH) 72 domains

SCOP 2.08 (48 domains)

CATH v4.4 (24 domains)

7. Citations (1)