SAXSdb — 175l

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

T4 LYSOZYME

Enterobacteria phage T4

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LYS_BPT4
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–164； UniProt 1–164 Author chain B； PDBConstruct 1–164； UniProt 1–164

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	175l
Deposition date deposition_date	1995-03-24
Structure title title	PROTEIN FLEXIBILITY AND ADAPTABILITY SEEN IN 25 CRYSTAL FORMS OF T4 LYSOZYME
Keywords keywords	HYDROLASE (O-GLYCOSYL); HYDROLASE (O-GLYCOSYL)
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.

175l__assembly_1__model_1

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

Download this curve (.dat)

175l__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

175l__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	17.52 Å
Rg (electron density)	16.58 Å
Total Rg	17.59 Å
Atom count	1286
Residues	162
Excluded volume	22946 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`175l__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`175l__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 (2)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d175la_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.2 — Lysozyme-like
Superfamily Superfamily superfamily	d.2.1 — Lysozyme-like
Family Family family	d.2.1.3 — Phage lysozyme

Domain ID domain_id	d175lb_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.2 — Lysozyme-like
Superfamily Superfamily superfamily	d.2.1 — Lysozyme-like
Family Family family	d.2.1.3 — Phage lysozyme

CATH v4.4 (2 domains)

Domain ID domain_id	175lA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	530 — Lysozyme
Homologous superfamily homologous superfamily	40 —

Domain ID domain_id	175lB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	530 — Lysozyme
Homologous superfamily homologous superfamily	40 —

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Unit-cell length a length_a	115.700 Å
Unit-cell length b length_b	54.800 Å
Unit-cell length c length_c	59.100 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	103.40 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.100 Å
Low-resolution limit resolution_low	— Å
R factor r_factor	0.1750
R_work r_work	—
R_free r_free	—

Description description	T4 LYSOZYME
Molecular weight formula_weight	18542.2 kDa
EC 编号 ec_number	3.2.1.17
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	2667

PROTEIN FLEXIBILITY AND ADAPTABILITY SEEN IN 25 CRYSTAL FORMS OF T4 LYSOZYME

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

T4 LYSOZYME

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

175l__assembly_1__model_1

175l__assembly_1__model_1 | I(q)

175l__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (2)

Source organism organism	Enterobacteria phage T4
NCBI taxonomy ID ncbi_taxonomy_id	10665

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	79

PROTEIN FLEXIBILITY AND ADAPTABILITY SEEN IN 25 CRYSTAL FORMS OF T4 LYSOZYME

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

T4 LYSOZYME

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

175l__assembly_1__model_1

175l__assembly_1__model_1 | I(q)

175l__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (2)