SAXSdb — 9qc7

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

Botulinum neurotoxin type B

Clostridium botulinum

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	Non-toxic non-hemagglutinin component × 1 （Q33CP4）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	BXB_CLOBK
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 3–1292； UniProt 2–1291

Non-toxic non-hemagglutinin component

Clostridium botulinum

UniProt Q33CP4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	Botulinum neurotoxin type B × 1 （B1INP5）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q33CP4_CLOBO
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–1197； UniProt 1–1197

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	9qc7
Deposition date deposition_date	2025-03-04
Last revision last_revision	2025-09-10
Structure title title	BoNT-NTNH complex from Clostridium botulinum Serotype B1
Keywords keywords	progenitor-toxin complex, botulinum neurotoxin, hemagglutinin, TOXIN; TOXIN
Experimental Method method	ELECTRON MICROSCOPY

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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.

9qc7__assembly_1__model_1

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

Download this curve (.dat)

9qc7__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9qc7__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	45.32 Å
Rg (electron density)	44.79 Å
Total Rg	45.12 Å
Atom count	19780
Residues	2404
Excluded volume	353500 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9qc7__assembly_1__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 (2)

Entity 1 Entity 1 polymer

Description description	Botulinum neurotoxin type B
Molecular weight formula_weight	152427.1 kDa
Mutation mutation	E232Q, H235Y
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	19780

MGPVTINNFNYNDPIDNNNIIMMEPPFARGTGRYYKAFKITDRIWIIPERYTFGYKPEDFNKSSGIFNRDVCEYYDPDYLNTNDKKNIFLQTMIKLFNRIKSKPLGEKLLEMIINGIPYLGDRRVPLEEFNTNIASVTVNKLISNPGEVERKKGIFANLIIFGPGPVLNENETIDIGIQNHFASREGFGGIMQMKFCPEYVSVFNNVQENKGASIFNRRGYFSDPALILMHQLIYVLHGLYGIKVDDLPIVPNEKKFFMQSTDAIQAEELYTFGGQDPSIITPSTDKSIYDKVLQNFRGIVDRLNKVLVCISDPNININIYKNKFKDKYKFVEDSEGKYSIDVESFDKLYKSLMFGFTETNIAENYKIKTRASYFSDSLPPVKIKNLLDNEIYTIEEGFNISDKDMEKEYRGQNKAINKQAYEEISKEHLAVYKIQMCKSVKAPGICIDVDNEDLFFIADKNSFSDDLSKNERIEYNTQSNYIENDFPINELILDTDLISKIELPSENTESLTDFNVDVPVYEKQPAIKKIFTDENTIFQYLYSQTFPLDIRDISLTSSFDDALLFSNKVYSFFSMDYIKTANKVVEAGLFAGWVKQIVNDFVIEANKSNTMDKIADISLIVPYIGLALNVGNETAKGNFENAFEIAGASILLEFIPELLIPVVGAFLLESYIDNKNKIIKTIDNALTKRNEKWSDMYGLIVAQWLSTVNTQFYTIKEGMYKALNYQAQALEEIIKYRYNIYSEKEKSNINIDFNDINSKLNEGINQAIDNINNFINGCSVSYLMKKMIPLAVEKLLDFDNTLKKNLLNYIDENKLYLIGSAEYEKSKVNKYLKTIMPFDLSIYTNDTILIEMFNKYNSEILNNIILNLRYKDNNLIDLSGYGAKVEVYDGVELNDKNQFKLTSSANSKIRVTQNQNIIFNSVFLDFSVSFWIRIPKYKNDGIQNYIHNEYTIINCMKNNSGWKISIRGNRIIWTLIDINGKTKSVFFEYNIREDISEYINRWFFVTITNNLNNAKIYINGKLESNTDIKDIREVIANGEIIFKLDGDIDRTQFIWMKYFSIFNTELSQSNIEERYKIQSYSEYLKDFWGNPLMYNKEYYMFNAGNKNSYIKLKKDSPVGEILTRSKYNQNSKYINYRDLYIGEKFIIRRKSNSQSINDDIVRKEDYIYLDFFNLNQEWRVYTYKYFKKEEEKLFLAPISDSDEFYNTIQIKEYDEQPTYSCQLLFKKDEESTDEIGLIGIHRFYESGIVFEEYKDYFCISKWYLKEVKRKPYNLKLGCNWQFIPKDEGWTEHHHHHHHHHH

Source Source

Source organism organism	Clostridium botulinum
NCBI taxonomy ID ncbi_taxonomy_id	1491
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 polymer

Description description	Non-toxic non-hemagglutinin component
Molecular weight formula_weight	138876.8 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MNINDNLSINSPVDNKNVVVVRARKTDTVFKAFKVAPNIWVAPERYYGESLSIDEEYKVDGGIYDSNFLSQDSEKDKFLQAIITLLKRINSTNAGEKLLSLISTAIPFPYGYIGGGYYAPNMITFGSAPKSNKKLNSLISSTIPFPYAGYRETNYLSSEDNKSFYASNIVIFGPGANIVENNTVFYKKEDAENGMGTMTEIWFQPFLTYKYDEFYIDPAIELIKCLIKSLYFLYGIKPSDDLVIPYRLRSELENIEYSQLNIVDLLVSGGIDPKFINTDPYWFTDNYFSNAKKVFEDHRNIYETQIEGNNAIGNDIKLRLKQKFRININDIWELNLNYFSKEFSIMMPDRFNNALKHFYRKQYYKIDYPENYSINGFVNGQINVQLSLSDRNQDIINKPEEIINLLNGNNVSLMRSNIYGDGLKSTVDDFYSNYKIPYNRAYEYHFNNSNDSSLDNVNIGVIDNIPEIIDVNPYKENCDKFSPVQKITSTREINTNIPWPINYLQAQNTNNEKFSLSSDFVEVVSSKDKSLVYSFLSNVMFYLDSIKDNSPIDTDKKYYLWLREIFRNYSFDITATQEINTDCGINKVVTWFGKALNILNTSDSFVEEFQNLGPISLINKKENLSMPIIEIYGIPNDMLGLPLNDLNEKLFNIYLKNILYFKKVYFNFLDQWWTEYYSQYFDLICMAKQSILAQEKLIKQIIQNKLQDLFKADISMDKLNLMNLATEKTFIDLSNESQIAINNINDFLNKSAICVFDTNIYPKFISFMEQCINSVNSNVTAFIQKCTNITEDEKLQLIKLNTFMNIDFEFFDIQSIKDLITSETDLIKEEKESDYNLFLFTLQEDNNKVIEDISGKNTLVKYSDSISLVYGVNGDALYLKEPDESVSFSNKAFENGLTNSFSICFWLRNLGEDIITSKLIENKADNCGWEIYFENNGLVFSIVDCNGNEENIYLSDVISKNWYYISISIDRLRNQLLIFINDKLIANQSIEQILNIYSSNTISLVNENNPIYIEGLSILNRSITSEEVVNNYFSYLNNSYIRDISGERLEYNKTYELYNYVFPENSLYEVTENNNIYLSIKDTNNLNIQGAKFKLINIDANKQYVQKWDEGVVCLLGDEEKYVDISSENNRIQLVNSKDTAKRIIFNNDIFMPNCLTFAYNNKYLSLSLRDRNYNWMICNNNDNIPKAAHLWALKGI

Source Source

Source organism organism	Clostridium botulinum
NCBI taxonomy ID ncbi_taxonomy_id	1491
Host organism host_organism	Escherichia coli

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 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	—

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

Resolution resolution	2.67 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	280361

BoNT-NTNH complex from Clostridium botulinum Serotype B1

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

Botulinum neurotoxin type B

State in the Current Structure

Other States of the Same Protein in the Database

Non-toxic non-hemagglutinin component

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

9qc7__assembly_1__model_1

9qc7__assembly_1__model_1 | I(q)

9qc7__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

7. Citations (1)

BoNT-NTNH complex from Clostridium botulinum Serotype B1

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

Botulinum neurotoxin type B

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Non-toxic non-hemagglutinin component

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

9qc7__assembly_1__model_1

9qc7__assembly_1__model_1 | I(q)

9qc7__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 polymer

Polymer Polymer

Source Source

7. Citations (1)