SAXSdb — 7kmj

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

Streptococcal hemagglutinin

Streptococcus gordonii str. Challis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Other combination	Monomer	Protein 1 其他Polymer 1	N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 SODIUM ION × 3 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	HSA_STRGC
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–234； UniProt 220–453

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	7kmj
Deposition date deposition_date	2020-11-03
Structure title title	Hsa Siglec and Unique domains in complex with Sialyl Lewis C
Keywords keywords	adhesin, cell adhesion; CELL ADHESION
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.

7kmj__assembly_1__model_1

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

Download this curve (.dat)

7kmj__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7kmj__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	23.93 Å
Rg (electron density)	23.49 Å
Total Rg	24.13 Å
Atom count	3166
Residues	204
Excluded volume	28680 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7kmj__assembly_1__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 (4)

Entity 1 Entity 1 polymer

Description description	Streptococcal hemagglutinin
Molecular weight formula_weight	25837.4 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	3505

LNTNQSVSARNQNARVRTRRAVAANDTEAPQVKSGDYVVYRGESFEYYAEITDNSGQVNRVVIRNVEGGANSTYLSPNWVKYSTENLGRPGNATVQNPLRTRIFGEVPLNEIVNEKSYYTRYIVAWDPSGNATQMVDNANRNGLERFVLTVKSQNEKYDPAESSVTYVNNLSNLSTSEREAVAAAVRAANPNIPPTAKITVSQNGTVTITYPDKSTDTIPANRVVKDLQISKSN

Source Source

Source organism organism	Streptococcus gordonii str. Challis
NCBI taxonomy ID ncbi_taxonomy_id	29390
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 branched

Description description	N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	674.6 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	SODIUM ION
Molecular weight formula_weight	23.0 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	280

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Unit-cell length a length_a	46.635 Å
Unit-cell length b length_b	58.173 Å
Unit-cell length c length_c	75.973 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	4

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

Resolution resolution	1.330 Å
Low-resolution limit resolution_low	37.990 Å
R factor r_factor	0.1924
R_work r_work	0.1911
R_free r_free	0.2160

Hsa Siglec and Unique domains in complex with Sialyl Lewis C

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

Streptococcal hemagglutinin

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

7kmj__assembly_1__model_1

7kmj__assembly_1__model_1 | I(q)

7kmj__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 branched

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Citations (1)

Hsa Siglec and Unique domains in complex with Sialyl Lewis C

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

Streptococcal hemagglutinin

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

7kmj__assembly_1__model_1

7kmj__assembly_1__model_1 | I(q)

7kmj__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 (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 branched

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

7. Citations (1)