1xxh

ATPgS Bound E. Coli Clamp Loader Complex

Method: X-RAY DIFFRACTION

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

DNA polymerase III, delta subunit

Escherichia coli

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 5	DNA polymerase III subunit gamma × 3 （P06710） DNA polymerase III, delta prime subunit × 1 （P28631） ZINC ION × 4 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 PHOSPHATE ION × 1	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 5	DNA polymerase III subunit gamma × 3 （P06710） DNA polymerase III, delta prime subunit × 1 （P28631） ZINC ION × 4 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 PHOSPHATE ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HOLA_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–343； UniProt 1–343 Author chain F； PDBConstruct 1–343； UniProt 1–343

DNA polymerase III subunit gamma

Escherichia coli

UniProt P06710

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 5	DNA polymerase III, delta subunit × 1 （P28630） DNA polymerase III, delta prime subunit × 1 （P28631） ZINC ION × 4 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 PHOSPHATE ION × 1	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 5	DNA polymerase III, delta subunit × 1 （P28630） DNA polymerase III, delta prime subunit × 1 （P28631） ZINC ION × 4 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 PHOSPHATE ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	DPO3X_ECOLI
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–373； UniProt 1–373 Author chain C； PDBConstruct 1–373； UniProt 1–373 Author chain D； PDBConstruct 1–373； UniProt 1–373 Author chain G； PDBConstruct 1–373； UniProt 1–373 Author chain H； PDBConstruct 1–373； UniProt 1–373 Author chain I； PDBConstruct 1–373； UniProt 1–373

DNA polymerase III, delta prime subunit

Escherichia coli

UniProt P28631

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 5	DNA polymerase III, delta subunit × 1 （P28630） DNA polymerase III subunit gamma × 3 （P06710） ZINC ION × 4 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 PHOSPHATE ION × 1	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 5	DNA polymerase III, delta subunit × 1 （P28630） DNA polymerase III subunit gamma × 3 （P06710） ZINC ION × 4 PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 PHOSPHATE ION × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HOLB_ECOLI
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain E； PDBConstruct 1–334； UniProt 1–334 Author chain J； PDBConstruct 1–334； UniProt 1–334

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	1xxh
Deposition date deposition_date	2004-11-05
Structure title title	ATPgS Bound E. Coli Clamp Loader Complex
Keywords keywords	AAA+ ATPase clamp loader, gamma complex, DNA Polymerase III, DNA replication, TRANSFERASE; TRANSFERASE
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.

1xxh__assembly_1__model_1

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

Download this curve (.dat)

1xxh__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1xxh__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	40.16 Å
Rg (electron density)	39.20 Å
Total Rg	39.65 Å
Atom count	13868
Residues	1755
Excluded volume	247400 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1xxh__assembly_1__model_1`	pentameric （5）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1xxh__assembly_2__model_1`	pentameric （5）	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	DNA polymerase III, delta subunit
Molecular weight formula_weight	38980.0 kDa
EC 编号 ec_number	2.7.7.7
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,F
Atom count atom_count	27736

MIRLYPEQLRAQLNEGLRAAYLLLGNDPLLLQESQDAVRQVAAAQGFEEHHTFSIDPNTDWNAIFSLCQAMSLFASRQTLLLLLPENGPNAAINEQLLTLTGLLHDDLLLIVRGNKLSKAQENAAWFTALANRSVQVTCQTPEQAQLPRWVAARAKQLNLELDDAANQVLCYCYEGNLLALAQALERLSLLWPDGKLTLPRVEQAVNDAAHFTPFHWVDALLMGKSKRALHILQQLRLEGSEPVILLRTLQRELLLLVNLKRQSAHTPLRALFDKHRVWQNRRGMMGEALNRLSQTQLRQAVQLLTRTELTLKQDYGQSVWAELEGLSLLLCHKPLADVFIDG

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	DNA polymerase III subunit gamma
Molecular weight formula_weight	41510.9 kDa
EC 编号 ec_number	2.7.7.7
Source method src_method	man
Copy count entity_count	6

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,C,D,G,H,I

MSYQVLARKWRPQTFADVVGQEHVLTALANGLSLGRIHHAYLFSGTRGVGKTSIARLLAKGLNCETGITATPCGVCDNCREIEQGRFVDLIEIDAASRTKVEDTRDLLDNVQYAPARGRFKVYLIDEVHMLSRHSFNALLKTLEEPPEHVKFLLATTDPQKLPVTILSRCLQFHLKALDVEQIRHQLEHILNEEHIAHEPRALQLLARAAEGSLRDALSLTDQAIASGDGQVSTQAVSAMLGTLDDDQALSLVEAMVEANGERVMALINEAAARGIEWEALLVEMLGLLHRIAMVQLSPAALGNDMAAIELRMRELARTIPPTDIQLYYQTLLIGRKELPYAPDRRMGVEMTLLRALAFHPRMPLPEPEVPRQ

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 3 Entity 3 polymer

Description description	DNA polymerase III, delta prime subunit
Molecular weight formula_weight	37261.9 kDa
EC 编号 ec_number	2.7.7.7
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E,J

MRWYPWLRPDFEKLVASYQAGRGHHALLIQALPGMGDDALIYALSRYLLCQQPQGHKSCGHCRGCQLMQAGTHPDYYTLAPEKGKNTLGVDAVREVTEKLNEHARLGGAKVVWVTDAALLTDAAANALLKTLEEPPAETWFFLATREPERLLATLRSRCRLHYLAPPPEQYAVTWLSREVTMSQDALLAALRLSAGSPGAALALFQGDNWQARETLCQALAYSVPSGDWYSLLAALNHEQAPARLHWLATLLMDALKRHHGAAQVTNVDVPGLVAELANHLSPSRLQAILGDVCHIREQLMSVTGINRELLITDLLLRIEHYLQPGVVLPVPHL

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 4 Entity 4 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	8

Entity 5 Entity 5 non-polymer

Description description	PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER
Molecular weight formula_weight	523.2 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 6 Entity 6 non-polymer

Description description	PHOSPHATE ION
Molecular weight formula_weight	95.0 kDa
Source method src_method	syn
Copy count entity_count	2

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6. Fold Classification (SCOP + CATH) 50 domains

SCOP 2.08 (20 domains)

Domain ID domain_id	d1xxha1
Class class	a — All alpha proteins
Fold Fold fold	a.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamily	a.80.1 — post-AAA+ oligomerization domain-like
Family Family family	a.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain

Domain ID domain_id	d1xxha2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.20 — Extended AAA-ATPase domain

Domain ID domain_id	d1xxhb1
Class class	a — All alpha proteins
Fold Fold fold	a.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamily	a.80.1 — post-AAA+ oligomerization domain-like
Family Family family	a.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain

Domain ID domain_id	d1xxhb2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.20 — Extended AAA-ATPase domain

Domain ID domain_id	d1xxhc1
Class class	a — All alpha proteins
Fold Fold fold	a.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamily	a.80.1 — post-AAA+ oligomerization domain-like
Family Family family	a.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain

Domain ID domain_id	d1xxhc2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.20 — Extended AAA-ATPase domain

Domain ID domain_id	d1xxhd1
Class class	a — All alpha proteins
Fold Fold fold	a.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamily	a.80.1 — post-AAA+ oligomerization domain-like
Family Family family	a.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain

Domain ID domain_id	d1xxhd2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.20 — Extended AAA-ATPase domain

Domain ID domain_id	d1xxhe1
Class class	a — All alpha proteins
Fold Fold fold	a.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamily	a.80.1 — post-AAA+ oligomerization domain-like
Family Family family	a.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain

Domain ID domain_id	d1xxhe2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.20 — Extended AAA-ATPase domain

Domain ID domain_id	d1xxhf1
Class class	a — All alpha proteins
Fold Fold fold	a.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamily	a.80.1 — post-AAA+ oligomerization domain-like
Family Family family	a.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain

Domain ID domain_id	d1xxhf2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.20 — Extended AAA-ATPase domain

Domain ID domain_id	d1xxhg1
Class class	a — All alpha proteins
Fold Fold fold	a.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamily	a.80.1 — post-AAA+ oligomerization domain-like
Family Family family	a.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain

Domain ID domain_id	d1xxhg2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.20 — Extended AAA-ATPase domain

Domain ID domain_id	d1xxhh1
Class class	a — All alpha proteins
Fold Fold fold	a.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamily	a.80.1 — post-AAA+ oligomerization domain-like
Family Family family	a.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain

Domain ID domain_id	d1xxhh2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.20 — Extended AAA-ATPase domain

Domain ID domain_id	d1xxhi1
Class class	a — All alpha proteins
Fold Fold fold	a.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamily	a.80.1 — post-AAA+ oligomerization domain-like
Family Family family	a.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain

Domain ID domain_id	d1xxhi2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.20 — Extended AAA-ATPase domain

Domain ID domain_id	d1xxhj1
Class class	a — All alpha proteins
Fold Fold fold	a.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamily	a.80.1 — post-AAA+ oligomerization domain-like
Family Family family	a.80.1.1 — DNA polymerase III clamp loader subunits, C-terminal domain

Domain ID domain_id	d1xxhj2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamily	c.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family family	c.37.1.20 — Extended AAA-ATPase domain

CATH v4.4 (30 domains)

Domain ID domain_id	1xxhA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	1xxhA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	60 —

Domain ID domain_id	1xxhA03
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	272 — Zinc Finger, Delta Prime; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1xxhB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	1xxhB02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	60 —

Domain ID domain_id	1xxhB03
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	272 — Zinc Finger, Delta Prime; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1xxhC01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	1xxhC02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	60 —

Domain ID domain_id	1xxhC03
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	272 — Zinc Finger, Delta Prime; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1xxhD01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	1xxhD02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	60 —

Domain ID domain_id	1xxhD03
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	272 — Zinc Finger, Delta Prime; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1xxhE01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	1xxhE02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	10 — Ubiquitin-associated (UBA) domain

Domain ID domain_id	1xxhE03
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	272 — Zinc Finger, Delta Prime; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1xxhF01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	1xxhF02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	60 —

Domain ID domain_id	1xxhF03
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	272 — Zinc Finger, Delta Prime; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1xxhG01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	1xxhG02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	60 —

Domain ID domain_id	1xxhG03
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	272 — Zinc Finger, Delta Prime; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1xxhH01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	1xxhH02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	60 —

Domain ID domain_id	1xxhH03
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	272 — Zinc Finger, Delta Prime; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1xxhI01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	1xxhI02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	60 —

Domain ID domain_id	1xxhI03
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	272 — Zinc Finger, Delta Prime; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1xxhJ01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	300 — P-loop containing nucleotide triphosphate hydrolases

Domain ID domain_id	1xxhJ02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	10 — Ubiquitin-associated (UBA) domain

Domain ID domain_id	1xxhJ03
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	272 — Zinc Finger, Delta Prime; domain 3
Homologous superfamily homologous superfamily	10 —

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Unit-cell length a length_a	98.450 Å
Unit-cell length b length_b	106.460 Å
Unit-cell length c length_c	535.720 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	24

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	3.450 Å
Low-resolution limit resolution_low	100.000 Å
R factor r_factor	—
R_work r_work	0.3150
R_free r_free	0.3500

ATPgS Bound E. Coli Clamp Loader Complex

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

DNA polymerase III, delta subunit

State in the Current Structure

Other States of the Same Protein in the Database

DNA polymerase III subunit gamma

State in the Current Structure

Other States of the Same Protein in the Database

DNA polymerase III, delta prime subunit

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

1xxh__assembly_1__model_1

1xxh__assembly_1__model_1 | I(q)

1xxh__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 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

6. Fold Classification (SCOP + CATH) 50 domains

SCOP 2.08 (20 domains)

CATH v4.4 (30 domains)

7. Citations (1)

ATPgS Bound E. Coli Clamp Loader Complex

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

DNA polymerase III, delta subunit

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

DNA polymerase III subunit gamma

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

DNA polymerase III, delta prime subunit

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

1xxh__assembly_1__model_1

1xxh__assembly_1__model_1 | I(q)

1xxh__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 polymer

Polymer Polymer

Source Source

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 non-polymer

Entity 6 Entity 6 non-polymer

6. Fold Classification (SCOP + CATH) 50 domains

SCOP 2.08 (20 domains)

CATH v4.4 (30 domains)

7. Citations (1)