9tir

Phage 812 baseplate in the post-contraction state (C6)

Method: ELECTRON MICROSCOPY

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

ORF61

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 150	ORF62 × 12 （Q6Y7Q5） ORF63 × 6 （Q6Y7Q4） ORF64 × 36 （Q6Y7Q3） ORF65 × 36 （Q6Y7Q2） ORF68 × 18 （Q6Y7P9） ORF49 × 36 （Q6Y7R8）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q6Y7Q6_BPPGK
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–234； UniProt 1–234

ORF62

OrganismNot specified

UniProt Q6Y7Q5

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 150	ORF61 × 6 （Q6Y7Q6） ORF63 × 6 （Q6Y7Q4） ORF64 × 36 （Q6Y7Q3） ORF65 × 36 （Q6Y7Q2） ORF68 × 18 （Q6Y7P9） ORF49 × 36 （Q6Y7R8）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q6Y7Q5_BPPGK
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–348； UniProt 1–348 Author chain C； PDBConstruct 1–348； UniProt 1–348

ORF63

OrganismNot specified

UniProt Q6Y7Q4

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 150	ORF61 × 6 （Q6Y7Q6） ORF62 × 12 （Q6Y7Q5） ORF64 × 36 （Q6Y7Q3） ORF65 × 36 （Q6Y7Q2） ORF68 × 18 （Q6Y7P9） ORF49 × 36 （Q6Y7R8）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q6Y7Q4_BPPGK
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain D； PDBConstruct 1–1019； UniProt 1–1019

ORF64

OrganismNot specified

UniProt Q6Y7Q3

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 150	ORF61 × 6 （Q6Y7Q6） ORF62 × 12 （Q6Y7Q5） ORF63 × 6 （Q6Y7Q4） ORF65 × 36 （Q6Y7Q2） ORF68 × 18 （Q6Y7P9） ORF49 × 36 （Q6Y7R8）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q6Y7Q3_BPPGK
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain E； PDBConstruct 1–173； UniProt 1–173 Author chain F； PDBConstruct 1–173； UniProt 1–173 Author chain G； PDBConstruct 1–173； UniProt 1–173 Author chain H； PDBConstruct 1–173； UniProt 1–173 Author chain I； PDBConstruct 1–173； UniProt 1–173 Author chain J； PDBConstruct 1–173； UniProt 1–173

ORF65

OrganismNot specified

UniProt Q6Y7Q2

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 150	ORF61 × 6 （Q6Y7Q6） ORF62 × 12 （Q6Y7Q5） ORF63 × 6 （Q6Y7Q4） ORF64 × 36 （Q6Y7Q3） ORF68 × 18 （Q6Y7P9） ORF49 × 36 （Q6Y7R8）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q6Y7Q2_BPPGK
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain K； PDBConstruct 1–1152； UniProt 1–1152 Author chain L； PDBConstruct 1–1152； UniProt 1–1152 Author chain M； PDBConstruct 1–1152； UniProt 1–1152 Author chain N； PDBConstruct 1–1152； UniProt 1–1152 Author chain O； PDBConstruct 1–1152； UniProt 1–1152 Author chain P； PDBConstruct 1–1152； UniProt 1–1152

ORF68

OrganismNot specified

UniProt Q6Y7P9

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 150	ORF61 × 6 （Q6Y7Q6） ORF62 × 12 （Q6Y7Q5） ORF63 × 6 （Q6Y7Q4） ORF64 × 36 （Q6Y7Q3） ORF65 × 36 （Q6Y7Q2） ORF49 × 36 （Q6Y7R8）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q6Y7P9_BPPGK
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain Q； PDBConstruct 1–458； UniProt 1–458 Author chain R； PDBConstruct 1–458； UniProt 1–458 Author chain S； PDBConstruct 1–458； UniProt 1–458

ORF49

OrganismNot specified

UniProt Q6Y7R8

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 150	ORF61 × 6 （Q6Y7Q6） ORF62 × 12 （Q6Y7Q5） ORF63 × 6 （Q6Y7Q4） ORF64 × 36 （Q6Y7Q3） ORF65 × 36 （Q6Y7Q2） ORF68 × 18 （Q6Y7P9）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q6Y7R8_BPPGK
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain T； PDBConstruct 1–587； UniProt 1–587 Author chain U； PDBConstruct 1–587； UniProt 1–587 Author chain V； PDBConstruct 1–587； UniProt 1–587 Author chain W； PDBConstruct 1–587； UniProt 1–587 Author chain X； PDBConstruct 1–587； UniProt 1–587 Author chain Y； PDBConstruct 1–587； UniProt 1–587

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	9tir
Deposition date deposition_date	2025-12-05
Structure title title	Phage 812 baseplate in the post-contraction state (C6)
Keywords keywords	phage, baseplate, VIRUS; VIRUS
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.

9tir__assembly_1__model_1

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

Download this curve (.dat)

9tir__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

9tir__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	0.00 Å
Rg (electron density)	215.30 Å
Total Rg	215.30 Å
Atom count	592068
Residues	75246
Excluded volume	10492000 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`9tir__assembly_1__model_1`	150-meric （150）	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 (7)

Entity 1 Entity 1 polymer

Description description	ORF61
Molecular weight formula_weight	26611.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	98678

MRFKKHVVQHEETMQAIAQRYYGDVSYWIDLVEHNNLKYPYLVETDEEKMKDPERLASTGDTLIIPIESDLTDVSAKEINSRDKDVLVELALGRDLNITADEKYFNEHGTSDNILAFSTNGNGDLDTVKGIDNMKQQLQARLLTPRGSLMLHPNYGSDLHNLFGLNIPEQATLIEMEVLRTLTSDNRVKSANLIDWKIQGNVYSGQFSVEIKSVEESINFVLGQDEEGIFALFE

Entity 2 Entity 2 polymer

Description description	ORF62
Molecular weight formula_weight	39248.9 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,C

MKTRKLTNILSKLIDKTMAGTSKITDFTPGSASRSLLEAVSLEIEQFYILTKENIDWGIQEGIIEAFDFQKRQSKRAYGDVTIQFYQPLDMRMYIPAGTTFTSTRQEYPQQFETLVDYYAEPDSTEIVVEVYCKETGVAGNVPEGTINTIASGSSLIRSVNNEYSFNTGTKEESQEDFKRRFHSFVESRGRATNKSVRYGALQIPDVEGVYVYEETGHITVFAHDRNGNLSDTLKEDIIDALQDYRPSGIMLDVTGVEKEEVNVSATVTISNKSRIGDTLQKHIESVIRSYLNNLKTSDDLIITDLIQAIMNIDDVLIYDVSFDNLDENIIVPPQGIIRAGEIKVELK

Entity 3 Entity 3 polymer

Description description	ORF63
Molecular weight formula_weight	116389.9 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

MANFLKNLHPLLRRDRNKKDNQDPNFALIDALNEEMNQVEKDAIESKLQSSLKTSTSEYLDKFGDWFGVYRKTDEKDDVYRARIIKYLLLKRGTNNAIIDAIKDYLGRDDIDVSVYEPFTNIFYTNKSHLNGEDHLMGYYYRFAVINVSIGDYFPVEIIDVINEFKPAGVTLYVTYDGASTIRGGAIIKWLDGLPKIETYQEFDRFTGYDDTFYGHINMNQSKDTDNSSSDIFKTNHSLINSLDVLTGSSSVGRQYINYGYVTSYVYNPGMTSSVNQISASTEGRGQEVPTDYYMYTSTKNNNTVELSMQTTSGVSYLYNNFNFRDYMSKYRPQVDLQSDEARRIVSDYIKELSIDYYLSAVIPPDESIEIKLQVYDFSINRWLTVSINNLSFYEKNIGSNIGYIKDYLNSELNMFTRLEINAGKRDSVDIKVNYLDLMFYYYERGIYTIKPYKALIENYLDISRETYVEAFKIASLSNGDIITKTGFQPIGYLKLVGNYENTIPSTINIVAKDTDNNPIESNELDVYNTVENRNLLQSYKGVNTIAREITSTKEFTVSGWAKEIYSTNYLSKVLKPGKVYTLSFDMEITGNDPTLKSYSDNHGIYLYSNTKGIVVNGVKSMERTIGNKVSVTQTFTAPTITDHRLLIYTGRYTSDGKASTPPVFFNTVKITELKLTEGSSKLEYSPAPEDKPNVIEKGIKFNNILTNIQTLSINSDTILKNVTLYYSYYGDSWVELKTLGNISTGETTETNNLIDLYGLQTVDYSNINPMSKVSLRSIWNVKLGELNNQEGSLSNMPNDYFNAVWQDIDKLSDIELGSMRMVKDTEGGVFDGATGEIIKATLFNVGAYTDLDMLAYTLTNYTEPLTLGSSRLISELKEELLTSESFNVDNRIKVIDSIYEELPNTSIIKNGFVEREVTGSKYLDYGLYEPIEDGTRYKLIVEGEFKDNIEFISLYNSNPNFNETFIYPSEIINGVAEKEFIAKPSTEDKPRLNTDVRIYIRPYDSTISKVRRVELRKV

Entity 4 Entity 4 polymer

Description description	ORF64
Molecular weight formula_weight	19259.6 kDa
Source method src_method	nat
Copy count entity_count	6

Polymer Polymer

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

MAIATYNSHVELAKYLVSKADSVYLTIGKSTPWSNETNPPQPDENATVLQEVIGYKKATKVTLVRPSKSPEDDNKNLISYGNKSWVEVTPENAKAEGAKWVYLESSIVGDELPLGTYRQVGFVMDLVAKSGISKFNLVPSEVESTGTLLFFDNKQFQNRSEQTTAKERFIVEV

Entity 5 Entity 5 polymer

Description description	ORF65
Molecular weight formula_weight	129263.0 kDa
Source method src_method	nat
Copy count entity_count	6

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K,L,M,N,O,P

MAINFKGSPYLDRFDPSKDRTKVLFNPDRPLQQAELNEMQSIDQYYLKNLGDAIFKDGDKQSGLGFTLSEDNVLTVNPGYVYINGKIRYYDNDDSVKITGVGKETIGIKLTERIVTPDEDASLLDQTSGVPSYFSKGADRLEEKMSLTVNDPTSATIYTFMDGDLYIQSTNAEMDKINKVLAERTYDESGSYKVNGFELFSEGNAEDDDHVSVVVDAGKAYVKGFKVDKPVSTRISVPKSYDLGTAENESTIFNKSNNSISLANSPVKEIRRVTGQVLIEKERVTRGAQGDGQDFLSNNTAFEIVKVWTETSPGVTTKEYKQGEDFRLTDGQTIDWSPQGQEPSGGTSYYVSYKYNKRMEAGKDYEVTTQGEGLSKKWYINFTPSNGAKPIDQTVVLVDYTYYLARKDSVFINKYGDIAILPGEPNIMRLVTPPLNTDPENLQLGTVTVLPDSDEAVCISFAITRLSMEDLQKVKTRVDNLEYNQAVNALDDGAMEGQNPLTLRSVFSEGFISLDKADITHPDFGIVFSFEDAEATLAYTEAVNQPKIIPGDTTAHIWGRLISAPFTEERTIYQGQASETLNVNPYNIPNKQGVLKLTPSEDNWIDTENVTITEQKTKKVTMKRFWRHNESYYGETEHYLYSNLQLDAGQKWKGETYAYDREHGRTGTLLESGGQRTLEEMIEFIRIRDVSFEVKGLNPNDNNLYLLFDGVRCAITPATGYRKGSEDGTIMTDAKGTAKGKFTIPAGIRCGNREVTLKNANSTSATTYTAQGRKKTAQDIIIRTRVTVNLVDPLAQSFQYDENRTISSLGLYFASKGDKQSNVVIQIRGMGDQGYPNKTIYAETVMNADDIKVSNNASAETRVYFDDPMMAEGGKEYAIVIITENSDYTMWVGTRTKPKIDKPNEVISGNPYLQGVLFSSSNASTWTPHQNSDLKFGIYTSKFNETATIEFEPIKDVSADRIVLMSTYLTPERTGCTWEMKLILDDMASSTTFDQLKWEPIGNYQDLDVLGLARQVKLRATFESNRYISPLMSSSDLTFTTFLTELTGSYVGRAIDMTEAPYNTVRFSYEAFLPKGTKVVPKYSADDGKTWKTFTKSPTTTRANNEFTRYVIDEKVKSSGTNTKLQVRLDLSTENSFLRPRVRRLMVTTRDE

Entity 6 Entity 6 polymer

Description description	ORF68
Molecular weight formula_weight	50474.1 kDa
Source method src_method	nat
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Q,R,S

MALNFTTITENNVIRDLTTQVNNIGEELTKERNIFDITDDLVYNFNKSQKIKLTDDKGLTKSYGNITALRDIKEPGYYYIGARTLATLLDRPDMESLDVVLHVVPLDTSSKVVQHLYTLSTNNNQIKMLYRFVSGNSSSEWQFIQGLPSNKNAVISGTNILDIASPGVYFVMGMTGGMPSGVSSGFLDLSVDANDNRLARLTDAETGKEYTSIKKPTGTYTAWKKEFEPKDMEKYLLSSIRDDGSASFPLLVYTSDSKTFQQAIIDHIDRTGQTTFTFYVQGGVSGSPMSNSCRGLFMSDTPNTSSLHGVYNAIGTDGRNVTGSVVGSNWTSPKTSPSHKELWTGAQSFLSTGTTKNLSDDISNYSYVEVYTTHKTTEKTKGNDNTGTICHKFYLDGSGTYVCSGTFVSGDRTDTKPPITEFYRVGVSFKGSTWTLVDSAVQNSKTQYVTRIIGINMP

Entity 7 Entity 7 polymer

Description description	ORF49
Molecular weight formula_weight	64559.0 kDa
Source method src_method	nat
Copy count entity_count	6

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	T,U,V,W,X,Y

MAVEPFPRRPITRPHASIEVDTSGIGGSAGSSEKVFCLIGQAEGGEPNTVYELRNYSQAKRLFRSGELLDAIELAWGSNPNYTAGRILAMRIEDAKPASAEIGGLKITSKIYGNVANNIQVGLEKNTLSDSLRLRVIFQDDRFNEVYDNIGNIFTIKYKGEEANATFSVEHDEETQKASRLVLKVGDQEVKSYDLTGGAYDYTNAIITDINQLPDFEAKLSPFGDKNLESSKLDKIENANIKDKAVYVKAVFGDLEKQTAYNGIVSFEQLNAEGEVPSNVEVEAGEESATVTATSPIKTIEPFELTKLKGGTNGEPPATWADKLDKFAHEGGYYIVPLSSKQSVHAEVASFVKERSDAGEPMRAIVGGGFNESKEQLFGRQASLSNPRVSLVANSGTFVMDDGRKNHVPAYMVAVALGGLASGLEIGESITFKPLRVSSLDQIYESIDLDELNENGIISIEFVRNRTNTFFRIVDDVTTFNDKSDPVKAEMAVGEANDFLVSELKVQLEDQFIGTRTINTSASIIKDFIQSYLGRKKRDNEIQDFPAEDVQVIVEGNEARISMTVYPIRSFKKISVSLVYKQQTLQA

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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	4.40 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	21264

Phage 812 baseplate in the post-contraction state (C6)

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

ORF61

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

ORF62

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

ORF63

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

ORF64

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

ORF65

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

ORF68

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

ORF49

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

9tir__assembly_1__model_1

9tir__assembly_1__model_1 | I(q)

9tir__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 (7)

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

Entity 5 Entity 5 polymer

Polymer Polymer

Entity 6 Entity 6 polymer

Polymer Polymer