9MOG | pdb_00009mog

Structure of the distal part of the bacteriophage T4 tail

• PDB DOI: https://doi.org/10.2210/pdb9MOG/pdb
• EM Map EMD-48459: EMDB EMDataResource

• Classification: VIRAL PROTEIN
• Organism(s): Escherichia phage T4
• Mutation(s): No 


• Deposited: 2024-12-26 Released: 2026-01-28 
• Deposition Author(s): Fokine, A., Zhu, J., Klose, T., Vago, F., Arnaud, C., Wang, Z., Khare, B., Rossmann, M.G., Chen, Z., Sun, L., Fang, Q., Kuhn, R., Rao, V.B.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Resolution: 3.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

Literature

In situ Atomic Structure of Phage T4 Head-Tail Connector Complex Shows Molecular Gates Open for Genome Ejection and DNA Pushed into the Tail Tube

Fokine, A., Zhu, J., Klose, T., Vago, F., Arnaud, C., Wang, Z., Khare, B., Rossmann, M.G., Chen, Z., Sun, L., Fang, Q., Kuhn, R., Rao, V.B.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 220-mer - A36B30C18D18E18F18G12H12I6J6K6L6M6N6O6P3Q3R3S3T3U1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 220-mer - A36B28C18D18E18F12G8H6I6J6K6L6M6N6O6P6Q3R3S3T3U3V1W1X1Y1Z1a1b1c1d1e1f1g1h1 

Local Symmetry: Cyclic - C6  (Explore in 3D)
Local Stoichiometry: Homo 36-mer - A36 Local Symmetry: Cyclic - C6  (Explore in 3D)
Local Stoichiometry: Homo 30-mer - B30 Local Symmetry: Cyclic - C6  (Explore in 3D)
Local Stoichiometry: Hetero 72-mer - C18D18E18F18 Local Symmetry: Cyclic - C6  (Explore in 3D)
Local Stoichiometry: Hetero 30-mer - I6J6K6M6N6 Local Symmetry: Cyclic - C6  (Explore in 3D)
Local Stoichiometry: Hetero 24-mer - G12H12 Local Symmetry: Cyclic - C3  (Explore in 3D)
Local Stoichiometry: Hetero 201-mer - A36B30C18E18F18G12H12I6J6K6L6M6N6O6P3Q3R3S3T3 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: electron microscopy

Macromolecule Content 

• Total Structure Weight: 9,609.01 kDa 
• Atom Count: 652,117 
• Modeled Residue Count: 84,090 
• Deposited Residue Count: 87,301 
• Unique protein chains: 22

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
gp12, short tail fiber protein	A [auth S0], B [auth S1], C [auth S2], D [auth S3], E [auth S4], F [auth S5], G [auth S6], H [auth S7], I [auth S8], J [auth SA], K [auth SO], L [auth SP], M [auth SQ], N [auth Sv], O [auth Sw], P [auth Sx], Q [auth Sy], R [auth Sz]	527	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for P10930 (Enterobacteria phage T4) Explore P10930  Go to UniProtKB:  P10930

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
gp9, baseplate wedge tail fiber connector	AA [auth T9], BA [auth TF], CA [auth TG], DA [auth TH], EA [auth Td], FA [auth Te], GA [auth Tf], HA [auth Tg], IA [auth Th], JA [auth Ti], S [auth T1], T [auth T2], U [auth T3], V [auth T4], W [auth T5], X [auth T6], Y [auth T7], Z [auth T8]	288	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for A0A7S9SWG4 (Escherichia phage T4) Explore A0A7S9SWG4  Go to UniProtKB:  A0A7S9SWG4

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
gp11, baseplate wedge protein	AB [auth Vt], BB [auth Vu], KA [auth UL], LA [auth UM], MA [auth UN], NA [auth Up], OA [auth Uq], PA [auth Ur], QA [auth Us], RA [auth Ut], SA [auth Uu], TA [auth VL], UA [auth VM], VA [auth VN], WA [auth Vp], XA [auth Vq], YA [auth Vr], ZA [auth Vs]	219	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for A0A7S9SW18 (Escherichia phage T4) Explore A0A7S9SW18  Go to UniProtKB:  A0A7S9SW18

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
gp10, baseplate wedge protein	CB [auth WI], DB [auth WJ], EB [auth WK], FB [auth Wj], GB [auth Wk], HB [auth Wl], IB [auth Wm], JB [auth Wn], KB [auth Wo], LB [auth XI], MB [auth XJ], NB [auth XK], OB [auth Xj], PB [auth Xk], QB [auth Xl], RB [auth Xm], SB [auth Xn], TB [auth Xo]	602	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for P10928 (Enterobacteria phage T4) Explore P10928  Go to UniProtKB:  P10928

Entity ID: 5
Molecule	Chains	Sequence Length	Organism	Details	Image
gp7, baseplate wedge protein	UB [auth YC], VB [auth YX], WB [auth YY], XB [auth Yc], YB [auth Yx], ZB [auth Yy]	1,032	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for P19061 (Enterobacteria phage T4) Explore P19061  Go to UniProtKB:  P19061

Entity ID: 6
Molecule	Chains	Sequence Length	Organism	Details	Image
gp8, baseplate wedge protein	AC [auth ZD], BC [auth ZE], CC [auth ZZ], DC [auth Za], EC [auth Zb], FC [auth Zc], GC [auth aD], HC [auth aE], IC [auth aZ], JC [auth aa], KC [auth ab], LC [auth ac]	334	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for A0A7S9SVZ9 (Escherichia phage T4) Explore A0A7S9SVZ9  Go to UniProtKB:  A0A7S9SVZ9

Entity ID: 7
Molecule	Chains	Sequence Length	Organism	Details	Image
gp18, tail sheath protein	AD [auth cA], BD [auth cB], CD [auth cC], DD [auth cD], ED [auth cE], FD [auth cF], GD [auth cG], HD [auth cH], ID [auth cI], JD [auth cJ], KD [auth cK], LD [auth cL], MC [auth b0], MD [auth cM], NC [auth b3], ND [auth cN], OC [auth b4], OD [auth cO], PC [auth b5], PD [auth cP], QC [auth b6], QD [auth dS], RC [auth b7], RD [auth dT], SC [auth b8], SD [auth dU], TC [auth b9], TD [auth dV], UC [auth bN], UD [auth dW], VC [auth bO], VD [auth dZ], WC [auth bP], XC [auth bQ], YC [auth bR], ZC [auth bY]	659	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for A0A7S9SVW9 (Escherichia phage T4) Explore A0A7S9SVW9  Go to UniProtKB:  A0A7S9SVW9

Entity ID: 8
Molecule	Chains	Sequence Length	Organism	Details	Image
gp6, baseplate wedge protein	AE [auth fA], BE [auth fB], CE [auth fR], DE [auth fS], EE [auth fU], FE [auth fW], GE [auth fr], HE [auth fs], WD [auth eB], XD [auth eU], YD [auth eW], ZD [auth f9]	660	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for P19060 (Enterobacteria phage T4) Explore P19060  Go to UniProtKB:  P19060

Entity ID: 9
Molecule	Chains	Sequence Length	Organism	Details	Image
gp5, baseplate central spike protein	IE [auth gE], JE [auth gG], KE [auth gH]	575	Escherichia phage T4	Mutation(s): 0  EC: 3.2.1.17
UniProt
Find proteins for A0A7S9SVH6 (Escherichia phage T4) Explore A0A7S9SVH6  Go to UniProtKB:  A0A7S9SVH6

Entity ID: 10
Molecule	Chains	Sequence Length	Organism	Details	Image
gp5.4, tip of the central spike	LE [auth gd]	97	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for A0A7S9SVS3 (Escherichia phage T4) Explore A0A7S9SVS3  Go to UniProtKB:  A0A7S9SVS3

Entity ID: 11
Molecule	Chains	Sequence Length	Organism	Details	Image
gp19, tail tube protein	AF [auth hk], BF [auth hl], CF [auth hm], DF [auth hn], EF [auth ho], FF [auth hp], GF [auth hq], HF [auth hr], IF [auth hs], JF [auth ht], KF [auth hu], LF [auth hv], ME [auth h1], MF [auth hw], NE [auth h2], NF [auth hx], OE [auth hI], OF [auth hy], PE [auth hJ], PF [auth hz], QE [auth hK], RE [auth hL], SE [auth hM], TE [auth hX], UE [auth he], VE [auth hf], WE [auth hg], XE [auth hh], YE [auth hi], ZE [auth hj]	163	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for A0A7S9SVI2 (Escherichia phage T4) Explore A0A7S9SVI2  Go to UniProtKB:  A0A7S9SVI2

Entity ID: 12
Molecule	Chains	Sequence Length	Organism	Details	Image
gp27, baseplate hub protein	QF [auth iC], RF [auth iD], SF [auth iF]	391	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for A0A7S9XHP4 (Escherichia phage T4) Explore A0A7S9XHP4  Go to UniProtKB:  A0A7S9XHP4

Entity ID: 13
Molecule	Chains	Sequence Length	Organism	Details	Image
gp29, tape measure protein	TF [auth ja], UF [auth jb], VF [auth jc]	590	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for P13337 (Enterobacteria phage T4) Explore P13337  Go to UniProtKB:  P13337

Entity ID: 14
Molecule	Chains	Sequence Length	Organism	Details	Image
gp53, baseplate wedge protein	AG [auth kV], BG [auth lV], WF [auth k3], XF [auth k4], YF [auth k7], ZF [auth k8]	196	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for A0A7S9XI21 (Escherichia phage T4) Explore A0A7S9XI21  Go to UniProtKB:  A0A7S9XI21

Entity ID: 15
Molecule	Chains	Sequence Length	Organism	Details	Image
gp25, baseplate wedge protein	CG [auth m1], DG [auth m2], EG [auth m5], FG [auth m6], GG [auth mT], HG [auth nT]	132	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for A0A7S9SW44 (Escherichia phage T4) Explore A0A7S9SW44  Go to UniProtKB:  A0A7S9SW44

Entity ID: 16
Molecule	Chains	Sequence Length	Organism	Details	Image
gp48, baseplate protein	IG [auth o0], JG [auth o1], KG [auth o2], LG [auth o6], MG [auth pA], NG [auth pB]	364	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for A0A7S9SVT9 (Escherichia phage T4) Explore A0A7S9SVT9  Go to UniProtKB:  A0A7S9SVT9

Entity ID: 17
Molecule	Chains	Sequence Length	Organism	Details	Image
gp54, baseplate protein	OG [auth q3], PG [auth q4], QG [auth q5], RG [auth q7], SG [auth q8], TG [auth q9]	320	Escherichia phage T4	Mutation(s): 0
UniProt
Find proteins for P13341 (Enterobacteria phage T4) Explore P13341  Go to UniProtKB:  P13341

Entity ID: 18
Molecule	Chains	Sequence Length	Organism	Details	Image
unassigned peptide A	UG [auth rc], VG [auth rd], WG [auth re], XG [auth rf], YG [auth rg], ZG [auth rh]	25	Escherichia phage T4	Mutation(s): 0

Entity ID: 19
Molecule	Chains	Sequence Length	Organism	Details	Image
unassigned peptide B	AH [auth sQ], BH [auth sT], CH [auth sU]	18	Escherichia phage T4	Mutation(s): 0

Entity ID: 20
Molecule	Chains	Sequence Length	Organism	Details	Image
unassigned peptide C	DH [auth tS], EH [auth tX], FH [auth tY]	10	Escherichia phage T4	Mutation(s): 0

Entity ID: 21
Molecule	Chains	Sequence Length	Organism	Details	Image
unassigned peptide D	GH [auth uR], HH [auth uV], IH [auth uW]	7	Escherichia phage T4	Mutation(s): 0

Entity ID: 22
Molecule	Chains	Sequence Length	Organism	Details	Image
unassigned peptide E	JH [auth vZ], KH [auth va], LH [auth vb]	9	Escherichia phage T4	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	MH [auth S0], NH [auth S1], OH [auth S4], PH [auth SA], QH [auth SQ], RH [auth Sv]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Resolution: 3.60 Å
• Aggregation State: PARTICLE 
• Reconstruction Method: SINGLE PARTICLE 

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.21.1_5286

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2026-01-28 
Deposition Author(s): Fokine, A., Zhu, J., Klose, T., Vago, F., Arnaud, C., Wang, Z., Khare, B., Rossmann, M.G., Chen, Z., Sun, L., Fang, Q., Kuhn, R., Rao, V.B.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	AI081726

Revision History  

• Version 1.0: 2026-01-28
  Type: Initial release