6qg1

Structure of eIF2B-eIF2 (phosphorylated at Ser51) complex (model 2)

Method: ELECTRON MICROSCOPY

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

Translation initiation factor eIF-2B subunit alpha

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 16	Translation initiation factor eIF-2B subunit beta × 2 （P32502） Translation initiation factor eIF-2B subunit gamma × 2 （P09032） Translation initiation factor eIF-2B subunit delta × 2 （P12754） Translation initiation factor eIF-2B subunit epsilon × 2 （P32501） Eukaryotic translation initiation factor 2 subunit alpha × 2 （P20459） Eukaryotic translation initiation factor 2 subunit gamma × 2 （P32481） Eukaryotic translation initiation factor 2 subunit beta × 2 （P09064）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	EI2BA_YEAST
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–305； UniProt 1–305 Author chain B； PDBConstruct 1–305； UniProt 1–305

Translation initiation factor eIF-2B subunit beta

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P32502

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 16	Translation initiation factor eIF-2B subunit alpha × 2 （P14741） Translation initiation factor eIF-2B subunit gamma × 2 （P09032） Translation initiation factor eIF-2B subunit delta × 2 （P12754） Translation initiation factor eIF-2B subunit epsilon × 2 （P32501） Eukaryotic translation initiation factor 2 subunit alpha × 2 （P20459） Eukaryotic translation initiation factor 2 subunit gamma × 2 （P32481） Eukaryotic translation initiation factor 2 subunit beta × 2 （P09064）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	EI2BB_YEAST
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain C； PDBConstruct 1–381； UniProt 1–381 Author chain D； PDBConstruct 1–381； UniProt 1–381

Translation initiation factor eIF-2B subunit gamma

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P09032

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 16	Translation initiation factor eIF-2B subunit alpha × 2 （P14741） Translation initiation factor eIF-2B subunit beta × 2 （P32502） Translation initiation factor eIF-2B subunit delta × 2 （P12754） Translation initiation factor eIF-2B subunit epsilon × 2 （P32501） Eukaryotic translation initiation factor 2 subunit alpha × 2 （P20459） Eukaryotic translation initiation factor 2 subunit gamma × 2 （P32481） Eukaryotic translation initiation factor 2 subunit beta × 2 （P09064）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	EI2BG_YEAST
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain E； PDBConstruct 1–578； UniProt 1–578 Author chain F； PDBConstruct 1–578； UniProt 1–578

Translation initiation factor eIF-2B subunit delta

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P12754

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 16	Translation initiation factor eIF-2B subunit alpha × 2 （P14741） Translation initiation factor eIF-2B subunit beta × 2 （P32502） Translation initiation factor eIF-2B subunit gamma × 2 （P09032） Translation initiation factor eIF-2B subunit epsilon × 2 （P32501） Eukaryotic translation initiation factor 2 subunit alpha × 2 （P20459） Eukaryotic translation initiation factor 2 subunit gamma × 2 （P32481） Eukaryotic translation initiation factor 2 subunit beta × 2 （P09064）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	EI2BD_YEAST
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain G； PDBConstruct 1–651； UniProt 1–651 Author chain H； PDBConstruct 1–651； UniProt 1–651

Translation initiation factor eIF-2B subunit epsilon

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P32501

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 16	Translation initiation factor eIF-2B subunit alpha × 2 （P14741） Translation initiation factor eIF-2B subunit beta × 2 （P32502） Translation initiation factor eIF-2B subunit gamma × 2 （P09032） Translation initiation factor eIF-2B subunit delta × 2 （P12754） Eukaryotic translation initiation factor 2 subunit alpha × 2 （P20459） Eukaryotic translation initiation factor 2 subunit gamma × 2 （P32481） Eukaryotic translation initiation factor 2 subunit beta × 2 （P09064）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	EI2BE_YEAST
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain I； PDBConstruct 1–712； UniProt 1–712 Author chain J； PDBConstruct 1–712； UniProt 1–712

Eukaryotic translation initiation factor 2 subunit alpha

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P20459

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 16	Translation initiation factor eIF-2B subunit alpha × 2 （P14741） Translation initiation factor eIF-2B subunit beta × 2 （P32502） Translation initiation factor eIF-2B subunit gamma × 2 （P09032） Translation initiation factor eIF-2B subunit delta × 2 （P12754） Translation initiation factor eIF-2B subunit epsilon × 2 （P32501） Eukaryotic translation initiation factor 2 subunit gamma × 2 （P32481） Eukaryotic translation initiation factor 2 subunit beta × 2 （P09064）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IF2A_YEAST
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain K； PDBConstruct 1–304； UniProt 1–304 Author chain L； PDBConstruct 1–304； UniProt 1–304

Eukaryotic translation initiation factor 2 subunit gamma

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P32481

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 16	Translation initiation factor eIF-2B subunit alpha × 2 （P14741） Translation initiation factor eIF-2B subunit beta × 2 （P32502） Translation initiation factor eIF-2B subunit gamma × 2 （P09032） Translation initiation factor eIF-2B subunit delta × 2 （P12754） Translation initiation factor eIF-2B subunit epsilon × 2 （P32501） Eukaryotic translation initiation factor 2 subunit alpha × 2 （P20459） Eukaryotic translation initiation factor 2 subunit beta × 2 （P09064）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IF2G_YEAST
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain M； PDBConstruct 1–527； UniProt 1–527 Author chain N； PDBConstruct 1–527； UniProt 1–527

Eukaryotic translation initiation factor 2 subunit beta

Saccharomyces cerevisiae (strain ATCC 204508 / S288c)

UniProt P09064

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 16	Translation initiation factor eIF-2B subunit alpha × 2 （P14741） Translation initiation factor eIF-2B subunit beta × 2 （P32502） Translation initiation factor eIF-2B subunit gamma × 2 （P09032） Translation initiation factor eIF-2B subunit delta × 2 （P12754） Translation initiation factor eIF-2B subunit epsilon × 2 （P32501） Eukaryotic translation initiation factor 2 subunit alpha × 2 （P20459） Eukaryotic translation initiation factor 2 subunit gamma × 2 （P32481）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	IF2B_YEAST
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain O； PDBConstruct 1–285； UniProt 1–285 Author chain P； PDBConstruct 1–285； UniProt 1–285

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	6qg1
Deposition date deposition_date	2019-01-10
Structure title title	Structure of eIF2B-eIF2 (phosphorylated at Ser51) complex (model 2)
Keywords keywords	integrated stress response, ISR, translation, initiation factors, phosphorylation, eIF2, eIF2B, tRNAi, GEF, heat domain, eIF2 alpha; TRANSLATION
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.

6qg1__assembly_1__model_1

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

Download this curve (.dat)

6qg1__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6qg1__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	69.01 Å
Rg (electron density)	69.87 Å
Total Rg	69.94 Å
Atom count	36980
Residues	4740
Excluded volume	663160 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6qg1__assembly_1__model_1`	hexadecameric （16）	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 (8)

Entity 1 Entity 1 polymer

Description description	Translation initiation factor eIF-2B subunit alpha
Molecular weight formula_weight	34062.0 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	36980

MSEFNITETYLRFLEEDTEMTMPIAAIEALVTLLRIKTPETAAEMINTIKSSTEELIKSIPNSVSLRAGCDIFMRFVLRNLHLYGDWENCKQHLIENGQLFVSRAKKSRNKIAEIGVDFIADDDIILVHGYSRAVFSLLNHAANKFIRFRCVVTESRPSKQGNQLYTLLEQKGIPVTLIVDSAVGAVIDKVDKVFVGAEGVAESGGIINLVGTYSVGVLAHNARKPFYVVTESHKFVRMFPLSSDDLPMAGPPLDFTRRTDDLEDALRGPTIDYTAQEYITALITDLGVLTPSAVSEELIKMWYD

Source Source

Source organism organism	Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Common name common_name	;Baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	559292
Host organism host_organism	Saccharomyces cerevisiae

Entity 2 Entity 2 polymer

Description description	Translation initiation factor eIF-2B subunit beta
Molecular weight formula_weight	42621.4 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

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

MSSQAFTSVHPNAATSDVNVTIDTFVAKLKRRQVQGSYAIALETLQLLMRFISAARWNHVNDLIEQIRDLGNSLEKAHPTAFSCGNVIRRILAVLRDEVEEDTMSTTVTSTSVAEPLISSMFNLLQKPEQPHQNRKNSSGSSSMKTKTDYRQVAIQGIKDLIDEIKNIDEGIQQIAIDLIHDHEILLTPTPDSKTVLKFLITARERSNRTFTVLVTEGFPNNTKNAHEFAKKLAQHNIETLVVPDSAVFALMSRVGKVIIGTKAVFVNGGTISSNSGVSSVCECAREFRTPVFAVAGLYKLSPLYPFDVEKFVEFGGSQRILPRMDPRKRLDTVNQITDYVPPENIDIYITNVGGFNPSFIYRIAWDNYKQIDVHLDKNKA

Source Source

Source organism organism	Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Common name common_name	;Baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	559292
Host organism host_organism	Saccharomyces cerevisiae

Entity 3 Entity 3 polymer

Description description	Translation initiation factor eIF-2B subunit gamma
Molecular weight formula_weight	65768.3 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

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

MSIQAFVFCGKGSNLAPFTQPDFPFQTQNKDSTAATSGDKLNELVNSALDSTVINEFMQHSTRLPKALLPIGNRPMIEYVLDWCDQADFKEISVVAPVDEIELIESGLTSFLSLRKQQFELIYKALSNSNHSHHLQDPKKINFIPSKANSTGESLQKELLPRINGDFVILPCDFVTDIPPQVLVDQFRNRDDNNLAMTIYYKNSLDSSIDKKQQQKQKQQQFFTVYSENEDSERQPILLDVYSQRDVTKTKYLQIRSHLLWNYPNLTVSTKLLNSFIYFCSFELCQLLKLGPQSMSRQASFKDPFTGNQQQQNPPTTDDDEDRNHDDDDDYKPSATSIQPTYFKKKNDLILDPINCNKSLSKVFRDLSRRSWQHSKPREPIGIFILPNETLFIRANNLNAYMDANRFVLKIKSQTMFTKNIQIQSAAIGADAIVDPKCQISAHSNVKMSVLGTQANIGSRCRVAGSLLFPGVHLGDEVILENCIIGPMAKIGSKCKLSNCYIEGHYVVEPKNNFKGETLANVYLDEDEEDELIYDDSVIAGESEIAEETDSDDRSDEDSDDSEYTDEYEYEDDGLFER

Source Source

Source organism organism	Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Common name common_name	;Baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	559292
Host organism host_organism	Saccharomyces cerevisiae

Entity 4 Entity 4 polymer

Description description	Translation initiation factor eIF-2B subunit delta
Molecular weight formula_weight	70945.2 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	G,H

MSESEAKSRSATPPSKAKQATPTTTAAANGEKKLTNKELKELKKQEKAAKRAAMKQANGISIEQQQQQAQMKKEKKQLQREQQQKREQKQKNANKKKQNERNVKKSTLFGHLETTEERRATILALTSAVSSPKTSRITAAGLMVPVVASALSGSNVLTASSLMPVGPNASSTVSASAPASTTTTLPASSAALSAGTSSASTNTPTAIQQEIASSNASDVAKTLASISLEAGEFNVIPGISSVIPTVLEQSFDNSSLISSVKELLLNKDLIHPSILLLTSHLAHYKIVGSIPRCIAMLEVFQIVIKDYQTPKGTTLSRNLTSYLSHQIDLLKKARPLSVTMGNAIRWLKQEISLIDPSTPDKAAKKDLCEKIGQFAKEKIELADQLIIDNASTQIEESTTIVTYGSSKVLTELLLHNAISLKKNIKVIVVDSRPLFEGRKMAETLRNAGVNVMYALITSLDTIFNMDVDYVFLGAHSILSNGFLYSRAGTAMLAMSAKRRNIPVLVCCESLKFSQRVQLDSVTFNELADPNDLVNIDYENPVERRGNKGALLNQFIKERKFEKKKLAMENKPKGNKIGGKKGSEGESKDASNEEDSNSKNILDGWQELPSLNIVNILYDLTPPEYIKKVITEFGALPPSSVPVILREYKGSA

Source Source

Source organism organism	Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Common name common_name	;Baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	559292
Host organism host_organism	Saccharomyces cerevisiae

Entity 5 Entity 5 polymer

Description description	Translation initiation factor eIF-2B subunit epsilon
Molecular weight formula_weight	81249.1 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I,J

MAGKKGQKKSGLGNHGKNSDMDVEDRLQAVVLTDSYETRFMPLTAVKPRCLLPLANVPLIEYTLEFLAKAGVHEVFLICSSHANQINDYIENSKWNLPWSPFKITTIMSPEARCTGDVMRDLDNRGIITGDFILVSGDVLTNIDFSKMLEFHKKMHLQDKDHISTMCLSKASTYPKTRTIEPAAFVLDKSTSRCIYYQDLPLPSSREKTSIQIDPELLDNVDEFVIRNDLIDCRIDICTSHVPLIFQENFDYQSLRTDFVKGVISSDILGKHIYAYLTDEYAVRVESWQTYDTISQDFLGRWCYPLVLDSNIQDDQTYSYESRHIYKEKDVVLAQSCKIGKCTAIGSGTKIGEGTKIENSVIGRNCQIGENIRIKNSFIWDDCIIGNNSIIDHSLIASNATLGSNVRLNDGCIIGFNVKIDDNMDLDRNTKISASPLKNAGSRMYDNESNEQFDQDLDDQTLAVSIVGDKGVGYIYESEVSDDEDSSTEACKEINTLSNQLDELYLSDDSISSATKKTKKRRTMSVNSIYTDREEIDSEFEDEDFEKEGIATVERAMENNHDLDTALLELNTLRMSMNVTYHEVRIATITALLRRVYHFIATQTLGPKDAVVKVFNQWGLLFKRQAFDEEEYIDLMNIIMEKIVEQSFDKPDLILFSALVSLYDNDIIEEDVIYKWWDNVSTDPRYDEVKKLTVKWVEWLQNADEESSSEEE

Source Source

Source organism organism	Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Common name common_name	;Baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	559292
Host organism host_organism	Saccharomyces cerevisiae

Entity 6 Entity 6 polymer

Description description	Eukaryotic translation initiation factor 2 subunit alpha
Molecular weight formula_weight	34843.6 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

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

MSTSHCRFYENKYPEIDDIVMVNVQQIAEMGAYVKLLEYDNIEGMILLSELSRRRIRSIQKLIRVGKNDVAVVLRVDKEKGYIDLSKRRVSSEDIIKCEEKYQKSKTVHSILRYCAEKFQIPLEELYKTIAWPLSRKFGHAYEAFKLSIIDETVWEGIEPPSKDVLDELKNYISKRLTPQAVKIRADVEVSCFSYEGIDAIKDALKSAEDMSTEQMQVKVKLVAAPLYVLTTQALDKQKGIEQLESAIEKITEVITKYGGVCNITMPPKAVTATEDAELQALLESKELDNRSDSEDDEDESDDE

Source Source

Source organism organism	Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Common name common_name	;Baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	559292
Host organism host_organism	Saccharomyces cerevisiae

Entity 7 Entity 7 polymer

Description description	Eukaryotic translation initiation factor 2 subunit gamma
Molecular weight formula_weight	57942.7 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

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

MSDLQDQEPSIIINGNLEPVGEPDIVEETEVVAQETQETQDADKPKKKVAFTGLEEDGETEEEKRKREFEEGGGLPEQPLNPDFSKLNPLSAEIINRQATINIGTIGHVAHGKSTVVRAISGVQTVRFKDELERNITIKLGYANAKIYKCQEPTCPEPDCYRSFKSDKEISPKCQRPGCPGRYKLVRHVSFVDCPGHDILMSTMLSGAAVMDAALLLIAGNESCPQPQTSEHLAAIEIMKLKHVIILQNKVDLMREESALEHQKSILKFIRGTIADGAPIVPISAQLKYNIDAVNEFIVKTIPVPPRDFMISPRLIVIRSFDVNKPGAEIEDLKGGVAGGSILNGVFKLGDEIEIRPGIVTKDDKGKIQCKPIFSNIVSLFAEQNDLKFAVPGGLIGVGTKVDPTLCRADRLVGQVVGAKGHLPNIYTDIEINYFLLRRLLGVKTDGQKQAKVRKLEPNEVLMVNIGSTATGARVVAVKADMARLQLTSPACTEINEKIALSRRIEKHWRLIGWATIKKGTTLEPIA

Source Source

Source organism organism	Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Common name common_name	;Baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	559292
Host organism host_organism	Saccharomyces cerevisiae

Entity 8 Entity 8 polymer

Description description	Eukaryotic translation initiation factor 2 subunit beta
Molecular weight formula_weight	31631.3 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

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

MSSDLAAELGFDPALKKKKKTKKVIPDDFDAAVNGKENGSGDDLFAGLKKKKKKSKSVSADAEAEKEPTDDIAEALGELSLKKKKKKTKDSSVDAFEKELAKAGLDNVDAESKEGTPSANSSIQQEVGLPYSELLSRFFNILRTNNPELAGDRSGPKFRIPPPVCLRDGKKTIFSNIQDIAEKLHRSPEHLIQYLFAELGTSGSVDGQKRLVIKGKFQSKQMENVLRRYILEYVTCKTCKSINTELKREQSNRLFFMVCKSCGSTRSVSSIKTGFQATVGKRRRM

Source Source

Source organism organism	Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
Common name common_name	;Baker's yeast ;
NCBI taxonomy ID ncbi_taxonomy_id	559292
Host organism host_organism	Saccharomyces cerevisiae

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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	1

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

Resolution resolution	4.250 Å
Low-resolution limit resolution_low	4.250 Å
R factor r_factor	0.5489
R_work r_work	0.5489
R_free r_free	—

Resolution resolution	4.25 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	183468

Structure of eIF2B-eIF2 (phosphorylated at Ser51) complex (model 2)

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

Translation initiation factor eIF-2B subunit alpha

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Translation initiation factor eIF-2B subunit beta

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Translation initiation factor eIF-2B subunit gamma

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Translation initiation factor eIF-2B subunit delta

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Translation initiation factor eIF-2B subunit epsilon

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Eukaryotic translation initiation factor 2 subunit alpha

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Eukaryotic translation initiation factor 2 subunit gamma

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Eukaryotic translation initiation factor 2 subunit beta

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

6qg1__assembly_1__model_1

6qg1__assembly_1__model_1 | I(q)

6qg1__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

冷冻电镜 EM 3D

5. Entities and Polymers Entities & Polymers (8)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source