SAXSdb — 2az4

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

hypothetical protein EF2904

Enterococcus faecalis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	ZINC ION × 2 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	ZINC ION × 2 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q82ZZ3_ENTFA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–429； UniProt 1–429 Author chain B； PDBConstruct 1–429； UniProt 1–429

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	2az4
Deposition date deposition_date	2005-09-09
Structure title title	Crystal Structure of a Protein of Unknown Function from Enterococcus faecalis V583
Keywords keywords	;Structural genomics, Enterococcus faecalis, PSI, Protein Structure Initiative, Midwest Center for Structural Genomics, MCSG, UNKNOWN FUNCTION ;; STRUCTURAL GENOMICS, UNKNOWN FUNCTION
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.

2az4__assembly_1__model_1

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

Download this curve (.dat)

2az4__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2az4__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.50 Å
Rg (electron density)	22.48 Å
Total Rg	23.32 Å
Atom count	3429
Residues	425
Excluded volume	61288 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2az4__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2az4__assembly_2__model_1`	monomeric （1）	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 (3)

Entity 1 Entity 1 polymer

Description description	hypothetical protein EF2904
Molecular weight formula_weight	49031.6 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	7404

MESKAKTTVTFHSGILTIGGTVIEVAYKDAHIFFDFGTEFRPELDLPDDHIETLINNRLVPELKDLYDPRLGYEYHGAEDKDYQHTAVFLSHAHLDHSRMINYLDPAVPLYTLKETKMILNSLNRKGDFLIPSPFEEKNFTREMIGLNKNDVIKVGEISVEIVPVDHDAYGASALLIRTPDHFITYTGDLRLHGHNREETLAFCEKAKHTELLMMEGVSISFPEREPDPAQIAVVSEEDLVQHLVRLELENPNRQITFNGYPANVERFAKIIEKSPRTVVLEANMAALLLEVFGIEVRYYYAESGKIPELNPALEIPYDTLLKDKTDYLWQVVNQFDNLQEGSLYIHSDAQPLGDFDPQYRVFLDLLAKKDITFVRLACSGHAIPEDLDKIIALIEPQVLVPIHTLKPEKLENPYGERILPERGEQIVL

Source Source

Source organism organism	Enterococcus faecalis
NCBI taxonomy ID ncbi_taxonomy_id	226185
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	537

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d2az4a1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.157 — Metallo-hydrolase/oxidoreductase
Superfamily Superfamily superfamily	d.157.1 — Metallo-hydrolase/oxidoreductase
Family Family family	d.157.1.10 — beta-CASP RNA-metabolising hydrolases

Domain ID domain_id	d2az4b1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.157 — Metallo-hydrolase/oxidoreductase
Superfamily Superfamily superfamily	d.157.1 — Metallo-hydrolase/oxidoreductase
Family Family family	d.157.1.10 — beta-CASP RNA-metabolising hydrolases

CATH v4.4 (4 domains)

Domain ID domain_id	2az4A01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	15 — Metallo-beta-lactamase; Chain A
Homologous superfamily homologous superfamily	10 — Ribonuclease Z/Hydroxyacylglutathione hydrolase-like

Domain ID domain_id	2az4A02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10710 — Metallo-hydrolase/oxidoreductase

Domain ID domain_id	2az4B01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	15 — Metallo-beta-lactamase; Chain A
Homologous superfamily homologous superfamily	10 — Ribonuclease Z/Hydroxyacylglutathione hydrolase-like

Domain ID domain_id	2az4B02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	10710 — Metallo-hydrolase/oxidoreductase

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Unit-cell length a length_a	57.996 Å
Unit-cell length b length_b	74.182 Å
Unit-cell length c length_c	214.624 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	8

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

Resolution resolution	2.000 Å
Low-resolution limit resolution_low	50.000 Å
R factor r_factor	0.2003
R_work r_work	0.1979
R_free r_free	0.2442

Crystal Structure of a Protein of Unknown Function from Enterococcus faecalis V583

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

hypothetical protein EF2904

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

2az4__assembly_1__model_1

2az4__assembly_1__model_1 | I(q)

2az4__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Crystal Structure of a Protein of Unknown Function from Enterococcus faecalis V583

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

hypothetical protein EF2904

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

2az4__assembly_1__model_1

2az4__assembly_1__model_1 | I(q)

2az4__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)