SAXSdb — 9xph

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

PHIKZ101

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	PHIKZ174 × 6 （Q8SCY8） PHIKZ164 × 3 （Q8SCZ8） PHIKZ163.1 × 1 （L7T0L4）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8SD61_BPDPK
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–460； UniProt 1–460 Author chain B； PDBConstruct 1–460； UniProt 1–460 Author chain C； PDBConstruct 1–460； UniProt 1–460

PHIKZ174

OrganismNot specified

UniProt Q8SCY8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	PHIKZ101 × 3 （Q8SD61） PHIKZ164 × 3 （Q8SCZ8） PHIKZ163.1 × 1 （L7T0L4）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8SCY8_BPDPK
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain D； PDBConstruct 1–354； UniProt 1–354 Author chain E； PDBConstruct 1–354； UniProt 1–354 Author chain F； PDBConstruct 1–354； UniProt 1–354 Author chain G； PDBConstruct 1–354； UniProt 1–354 Author chain J； PDBConstruct 1–354； UniProt 1–354 Author chain L； PDBConstruct 1–354； UniProt 1–354

PHIKZ164

OrganismNot specified

UniProt Q8SCZ8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	PHIKZ101 × 3 （Q8SD61） PHIKZ174 × 6 （Q8SCY8） PHIKZ163.1 × 1 （L7T0L4）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8SCZ8_BPDPK
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain I； PDBConstruct 1–293； UniProt 1–293 Author chain K； PDBConstruct 1–293； UniProt 1–293 Author chain M； PDBConstruct 1–293； UniProt 1–293

PHIKZ163.1

OrganismNot specified

UniProt L7T0L4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	PHIKZ101 × 3 （Q8SD61） PHIKZ174 × 6 （Q8SCY8） PHIKZ164 × 3 （Q8SCZ8）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	L7T0L4_BPDPK
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain H； PDBConstruct 1–88； UniProt 1–88

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	9xph
Deposition date deposition_date	2025-11-16
Structure title title	The structure of baseplate central region of phage phikz
Keywords keywords	spike, VIRAL PROTEIN; VIRAL PROTEIN
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.

9xph__assembly_1__model_1

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

Download this curve (.dat)

9xph__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9xph__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	62.85 Å
Rg (electron density)	63.04 Å
Total Rg	63.10 Å
Atom count	32732
Residues	4170
Excluded volume	581940 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9xph__assembly_1__model_1`	13-meric （13）	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	PHIKZ101
Molecular weight formula_weight	52013.4 kDa
Source method src_method	nat
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,A,C
Atom count atom_count	32732

MAVDASSLMREVDTIINSANNYSAYKIEAKILVGDFDWVVPLRVDYFDTFRNYADGSYGDLILTELLIGTGDFQFDILPRRDELRCDVKFIPLLPNSSLLDTSRKASVKRYRCFVVLSPEDDITLTNKQSQLTSKEAMNQISYKPYRFQLVEESVYQSLMITIGKNFTNVTTADVLRAFLKQSISQLTEADDNRVIDINMEPGWNTEVRPVIPIPDGTPLKDLPNILQNKEGGVYATGLGRYIQGSYLYVYSLYDTKKYQKGAKTLNIINVPNDRLYGVEKTYVNGDTYTTILATGDASSLDKALYEMVDNGSGYRFADANKLLDDFTISKDNKMLVDAASNLYEVRGDGLKTGFQNIQWTKQRSTSNPFKHYTELAKRQGQFLKIQWNHGDADILTPGMPVKFQTVDNNVVKTYYGVLLGVDEQFAAGDNNPNPHRYVCVVTLAIFLNRSDQNEIEPST

Entity 2 Entity 2 polymer

Description description	PHIKZ174
Molecular weight formula_weight	39125.9 kDa
Source method src_method	nat
Copy count entity_count	6

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G,D,J,E,L,F

MVDFALPSFIGTGKDEVAKIDAYTEVSSDVRNSLVSGISNFEQGFSGILNRTLKAVRGIGDLIPSDGINLADASRRIQGALKGSRSDLQNIAQSLENIIFGELTGSNGGPGYVQQATRMANEVKMIINGVDVYKQNSNYQNMSSILSFLEDMSGSNAIIKFFDLGAEAAVLRGVLQEVAQWGIPDLIDDTFGATKRYDGSGNWVGYDYKYNDDFRFTLTKRTADSLGNNIDLDVIDRIITHSGAEALTADVPDYPNRIIANYVFPEGTKPEDYPTILSKLVSIMDKLKPDWFWTLRNTQKVFNFGVLQTASDDATTLFLSNDTYRTPMLVAPFYKPAQALELFRDMYPMIAIPT

Entity 3 Entity 3 polymer

Description description	PHIKZ164
Molecular weight formula_weight	32434.2 kDa
Source method src_method	nat
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I,K,M

MDEAVSLLSNMQDSEIQTSEFRLWSIGRATENKPRNSFTLMVLPIESATATDGETTFNPVEEVVDGVDADGRAYTTKVSVSRDIPCIWLPNEDNRATPPDVMRGEKIAIYRLGDTSQFYWRSMGLSNDLRTLESVVYTFNASLSPGGAGKNFDTCYFMQFSAHDKHVTIGTSKANGEPYRYSVQINTGTGAVYILDDIGNRFELVSKDKRLMLMNADNSFVKVEKKAIDLNADQYIKLTSGGSTLELNPTEFKVNTTNTTIKSSGTHIQEAGGTMTHKAGGNMLFTAPRYDFT

Entity 4 Entity 4 polymer

Description description	PHIKZ163.1
Molecular weight formula_weight	8809.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

MPGIAVCNMDSAGGVILPGPNVKCFYKGQPFAVIGCAVAGHGRTPHDSARMIQGSVKMAIAGIPVCLQGSMASCGHTATGRPNLTCGS

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Resolution resolution	4.020 Å
Low-resolution limit resolution_low	— Å
R factor r_factor	—
R_work r_work	—
R_free r_free	—

Resolution resolution	4.02 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	27796

The structure of baseplate central region of phage phikz

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

PHIKZ101

State in the Current Structure

Other States of the Same Protein in the Database

PHIKZ174

State in the Current Structure

Other States of the Same Protein in the Database

PHIKZ164

State in the Current Structure

Other States of the Same Protein in the Database

PHIKZ163.1

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

9xph__assembly_1__model_1

9xph__assembly_1__model_1 | I(q)

9xph__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Refinement Refinement

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 polymer

Polymer Polymer

7. Citations (1)

The structure of baseplate central region of phage phikz

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

PHIKZ101

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PHIKZ174

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PHIKZ164

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PHIKZ163.1

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

9xph__assembly_1__model_1

9xph__assembly_1__model_1 | I(q)

9xph__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Refinement Refinement

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 polymer

Polymer Polymer

Entity 3 Entity 3 polymer

Polymer Polymer

Entity 4 Entity 4 polymer

Polymer Polymer

7. Citations (1)