SAXSdb — 2g98

▼

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

Gamma crystallin D

OrganismNot specified

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	CRGD_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–173； UniProt 1–173 Author chain B； PDBConstruct 1–173； UniProt 1–173

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	2g98
Deposition date deposition_date	2006-03-06
Structure title title	human gamma-D-crystallin
Keywords keywords	Crystalline, STRUCTURAL PROTEIN; STRUCTURAL PROTEIN
Experimental Method method	X-RAY DIFFRACTION

▼

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.

2g98__assembly_1__model_1

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

Download this curve (.dat)

2g98__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2g98__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	17.66 Å
Rg (electron density)	16.54 Å
Total Rg	17.43 Å
Atom count	1395
Residues	171
Excluded volume	24158 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2g98__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2g98__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▼

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d2g98a1
Class class	b — All beta proteins
Fold Fold fold	b.11 — gamma-Crystallin-like
Superfamily Superfamily superfamily	b.11.1 — gamma-Crystallin-like
Family Family family	b.11.1.1 — Crystallins/Ca-binding development proteins

Domain ID domain_id	d2g98a2
Class class	b — All beta proteins
Fold Fold fold	b.11 — gamma-Crystallin-like
Superfamily Superfamily superfamily	b.11.1 — gamma-Crystallin-like
Family Family family	b.11.1.1 — Crystallins/Ca-binding development proteins

Domain ID domain_id	d2g98b1
Class class	b — All beta proteins
Fold Fold fold	b.11 — gamma-Crystallin-like
Superfamily Superfamily superfamily	b.11.1 — gamma-Crystallin-like
Family Family family	b.11.1.1 — Crystallins/Ca-binding development proteins

Domain ID domain_id	d2g98b2
Class class	b — All beta proteins
Fold Fold fold	b.11 — gamma-Crystallin-like
Superfamily Superfamily superfamily	b.11.1 — gamma-Crystallin-like
Family Family family	b.11.1.1 — Crystallins/Ca-binding development proteins

CATH v4.4 (4 domains)

Domain ID domain_id	2g98A01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	20 — Gamma-B Crystallin; domain 1
Homologous superfamily homologous superfamily	10 — Crystallins

Domain ID domain_id	2g98A02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	20 — Gamma-B Crystallin; domain 1
Homologous superfamily homologous superfamily	10 — Crystallins

Domain ID domain_id	2g98B01
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	20 — Gamma-B Crystallin; domain 1
Homologous superfamily homologous superfamily	10 — Crystallins

Domain ID domain_id	2g98B02
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	20 — Gamma-B Crystallin; domain 1
Homologous superfamily homologous superfamily	10 — Crystallins

▶

Unit-cell length a length_a	54.375 Å
Unit-cell length b length_b	81.778 Å
Unit-cell length c length_c	106.279 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	2.200 Å
Low-resolution limit resolution_low	27.900 Å
R factor r_factor	0.2003
R_work r_work	0.1973
R_free r_free	0.2574

Description description	Gamma crystallin D
Molecular weight formula_weight	20564.9 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	2919

human gamma-D-crystallin

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

Gamma crystallin D

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

2g98__assembly_1__model_1

2g98__assembly_1__model_1 | I(q)

2g98__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	152

human gamma-D-crystallin

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

Gamma crystallin D

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

2g98__assembly_1__model_1

2g98__assembly_1__model_1 | I(q)

2g98__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 water

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)