SAXSdb — 7zv9

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

Fms-related tyrosine kinase 3 ligand

Homo sapiens

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	Receptor-type tyrosine-protein kinase FLT3 × 1 （P36888） 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	Consistent with protein count
2	Other combination	Heteromer	Protein 2 其他Polymer 1	Receptor-type tyrosine-protein kinase FLT3 × 1 （P36888） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count
3	Other combination	Heteromer	Protein 2 其他Polymer 1	Receptor-type tyrosine-protein kinase FLT3 × 1 （P36888） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count
4	Protein heterocomplex	Heteromer	Protein 2	Receptor-type tyrosine-protein kinase FLT3 × 1 （P36888） 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count
5	Other combination	Heteromer	Protein 2 其他Polymer 1	Receptor-type tyrosine-protein kinase FLT3 × 1 （P36888） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count
6	Other combination	Heteromer	Protein 2 其他Polymer 1	Receptor-type tyrosine-protein kinase FLT3 × 1 （P36888） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count
7	Other combination	Heteromer	Protein 2 其他Polymer 1	Receptor-type tyrosine-protein kinase FLT3 × 1 （P36888） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count
8	Other combination	Heteromer	Protein 2 其他Polymer 1	Receptor-type tyrosine-protein kinase FLT3 × 1 （P36888） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	FLT3L_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 22–155； UniProt 27–160 Author chain C； PDBConstruct 22–155； UniProt 27–160 Author chain E； PDBConstruct 22–155； UniProt 27–160 Author chain G； PDBConstruct 22–155； UniProt 27–160 Author chain I； PDBConstruct 22–155； UniProt 27–160 Author chain K； PDBConstruct 22–155； UniProt 27–160 Author chain M； PDBConstruct 22–155； UniProt 27–160 Author chain O； PDBConstruct 22–155； UniProt 27–160

Receptor-type tyrosine-protein kinase FLT3

Homo sapiens

UniProt P36888

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	Fms-related tyrosine kinase 3 ligand × 1 （P49771） 2-acetamido-2-deoxy-beta-D-glucopyranose × 2	Consistent with protein count
2	Other combination	Heteromer	Protein 2 其他Polymer 1	Fms-related tyrosine kinase 3 ligand × 1 （P49771） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count
3	Other combination	Heteromer	Protein 2 其他Polymer 1	Fms-related tyrosine kinase 3 ligand × 1 （P49771） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count
4	Protein heterocomplex	Heteromer	Protein 2	Fms-related tyrosine kinase 3 ligand × 1 （P49771） 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count
5	Other combination	Heteromer	Protein 2 其他Polymer 1	Fms-related tyrosine kinase 3 ligand × 1 （P49771） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count
6	Other combination	Heteromer	Protein 2 其他Polymer 1	Fms-related tyrosine kinase 3 ligand × 1 （P49771） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count
7	Other combination	Heteromer	Protein 2 其他Polymer 1	Fms-related tyrosine kinase 3 ligand × 1 （P49771） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count
8	Other combination	Heteromer	Protein 2 其他Polymer 1	Fms-related tyrosine kinase 3 ligand × 1 （P49771） 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	FLT3_HUMAN
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–541； UniProt 1–541 Author chain D； PDBConstruct 1–541； UniProt 1–541 Author chain F； PDBConstruct 1–541； UniProt 1–541 Author chain H； PDBConstruct 1–541； UniProt 1–541 Author chain J； PDBConstruct 1–541； UniProt 1–541 Author chain L； PDBConstruct 1–541； UniProt 1–541 Author chain N； PDBConstruct 1–541； UniProt 1–541 Author chain P； PDBConstruct 1–541； UniProt 1–541

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	7zv9
Deposition date deposition_date	2022-05-14
Structure title title	Crystal structure of FLT3 in complex with a monomeric FLT3 Ligand variant
Keywords keywords	Inactive complex, Complex, Receptor Tyrosine Kinase, RTK-III, SIGNALING PROTEIN; SIGNALING PROTEIN
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.

7zv9__assembly_1__model_1

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

Download this curve (.dat)

7zv9__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7zv9__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	35.96 Å
Rg (electron density)	36.37 Å
Total Rg	36.30 Å
Atom count	3383
Residues	557
Excluded volume	57425 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7zv9__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`7zv9__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`7zv9__assembly_3__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`7zv9__assembly_4__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
5	1	`7zv9__assembly_5__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
6	1	`7zv9__assembly_6__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
7	1	`7zv9__assembly_7__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
8	1	`7zv9__assembly_8__model_1`	dimeric （2）	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	Fms-related tyrosine kinase 3 ligand
Molecular weight formula_weight	17764.2 kDa
Mutation mutation	L27D
Source method src_method	man
Copy count entity_count	8

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,C,E,G,I,K,M,O
Atom count atom_count	26691

MGSSHHHHHHSSGLVPRGSHMTQDCSFQHSPISSDFAVKIRELSDYLDQDYPVTVASNLQDEELCGGLWRLVLAQRWMERLKTVAGSKMQGLLERVNTEIHFVTKCAFQPPPSCLRFVQTNISRLLQETSEQLVALKPWITRQNFSRCLELQCQP

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 polymer

Description description	Receptor-type tyrosine-protein kinase FLT3
Molecular weight formula_weight	65307.8 kDa
EC 编号 ec_number	2.7.10.1
Source method src_method	man
Copy count entity_count	8

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,D,F,H,J,L,N,P

MPALARDGGQLPLLVVFSAMIFGTITNQDLPVIKCVLINHKNNDSSVGKSSSYPMVSESPEDLGCALRPQSSGTVYEAAAVEVDVSASITLQVLVDAPGNISCLWVFKHSSLNCQPHFDLQNRGVVSMVILKMTETQAGEYLLFIQSEATNYTILFTVSIRNTLLYTLRRPYFRKMENQDALVCISESVPEPIVEWVLCDSQGESCKEESPAVVKKEEKVLHELFGMDIRCCARNELGRECTRLFTIDLNQTPQTTLPQLFLKVGEPLWIRCKAVHVNHGFGLTWELENKALEEGNYFEMSTYSTNRTMIRILFAFVSSVARNDTGYYTCSSSKHPSQSALVTIVEKGFINATNSSEDYEIDQYEEFCFSVRFKAYPQIRCTWTFSRKSFPCEQKGLDNGYSISKFCNHKHQPGEYIFHAENDDAQFTKMFTLNIRRKPQVLAEASASQASCFSDGYPLPSWTWKKCSDKSPNCTEEITEGVWNRKANRKVFGQWVSSSTLNMSEAIKGFLVKCCAYNSLGTSCETILLNSPGPFPFIQDNGSSGLVPRGSGGSGGSGLNDIFEAQKIEWHEGRTKHHHHHH

Source Source

Source organism organism	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
Host organism host_organism	Homo sapiens

Entity 3 Entity 3 branched

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	424.4 kDa
Source method src_method	man
Copy count entity_count	6

Entity 4 Entity 4 non-polymer

Description description	2-acetamido-2-deoxy-beta-D-glucopyranose
Molecular weight formula_weight	221.2 kDa
Source method src_method	syn
Copy count entity_count	4

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Unit-cell length a length_a	139.208 Å
Unit-cell length b length_b	139.215 Å
Unit-cell length c length_c	143.689 Å
Unit-cell angle α angle_alpha	90.02 °
Unit-cell angle β angle_beta	90.03 °
Unit-cell angle γ angle_gamma	89.99 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	4.507 Å
Low-resolution limit resolution_low	47.900 Å
R factor r_factor	0.2784
R_work r_work	0.2777
R_free r_free	0.2913

Crystal structure of FLT3 in complex with a monomeric FLT3 Ligand variant

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

Fms-related tyrosine kinase 3 ligand

State in the Current Structure

Other States of the Same Protein in the Database

Receptor-type tyrosine-protein kinase FLT3

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

7zv9__assembly_1__model_1

7zv9__assembly_1__model_1 | I(q)

7zv9__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 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 branched

Entity 4 Entity 4 non-polymer

7. Citations (1)

Crystal structure of FLT3 in complex with a monomeric FLT3 Ligand variant

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

Fms-related tyrosine kinase 3 ligand

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Receptor-type tyrosine-protein kinase FLT3

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

7zv9__assembly_1__model_1

7zv9__assembly_1__model_1 | I(q)

7zv9__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 polymer

Polymer Polymer

Source Source

Entity 3 Entity 3 branched

Entity 4 Entity 4 non-polymer

7. Citations (1)