10EG: Photosystem I P700 chlorophyll a apoprotein A1
Thermosynechococcus vestitus (BP-1) Photosystem I Complexed with Platinum Nanoparticles. Determined by electron microscopy at 3.4 Å resolution. Released 1 Jul 2026.
- Method
- Electron microscopy
- Resolution
- 3.4 Å
- Organism
- Thermosynechococcus vestitus BP-1
- Chains
- 36
- Atoms
- 71,748
- Mol. weight
- 1080.64 kDa
- Ligands
- CL0, CLA, PQN, BCR
- Released
- 1 Jul 2026
Explore 10EG in 3D
Show helices and sheets
RCSB PDB
PDBe
Secondary structure: helices and β-sheets
10EG contains 328 α-helices and 167 β-strands across 36 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.
Chain a: 38 helices, 14 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 16-18 | 3 | 16 |
| α-helix | 26-28 | 3 | |
| β-strand | 44 | 1 | 17 |
| α-helix | 46-52 | 7 | |
| α-helix | 65-93 | 29 | |
| α-helix | 100-105 | 6 | |
| β-strand | 113 | 1 | 18 |
| β-strand | 129 | 1 | 19 |
| β-strand | 135 | 1 | 19 |
| α-helix | 137 | 1 | |
| β-strand | 138 | 1 | 18 |
| α-helix | 139 | 1 | |
| α-helix | 143-150 | 8 | |
| α-helix | 156-181 | 26 | |
| β-strand | 183-185 | 3 | 16 |
| α-helix | 187-190 | 4 | |
| α-helix | 193-199 | 7 | |
| α-helix | 200-204 | 5 | |
| α-helix | 207-215 | 9 | |
| α-helix | 216-220 | 5 | |
| α-helix | 221-229 | 9 | |
| α-helix | 237-238 | 2 | |
| α-helix | 246-249 | 4 | |
| α-helix | 272-275 | 4 | |
| α-helix | 294-310 | 17 | |
| β-strand | 315 | 1 | 20 |
| β-strand | 323 | 1 | 20 |
| α-helix | 325-331 | 7 | |
| α-helix | 344-350 | 7 | |
| α-helix | 353-372 | 20 | |
| α-helix | 387-418 | 32 | |
| α-helix | 429-432 | 4 | |
| α-helix | 437-467 | 31 | |
| α-helix | 471-473 | 3 | |
| α-helix | 485-495 | 11 | |
| α-helix | 497-501 | 5 | |
| α-helix | 511-513 | 3 | |
| β-strand | 518-520 | 3 | 21 |
| β-strand | 523-526 | 4 | 21 |
| α-helix | 533-558 | 26 | |
| α-helix | 569-572 | 4 | |
| α-helix | 591-616 | 26 | |
| α-helix | 617-621 | 5 | |
| β-strand | 623-625 | 3 | 21 |
| β-strand | 631-633 | 3 | 21 |
| α-helix | 639-642 | 4 | |
| α-helix | 646-649 | 4 | |
| α-helix | 650-655 | 6 | |
| α-helix | 670-691 | 22 | |
| α-helix | 695-710 | 16 | |
| β-strand | 718 | 1 | 17 |
| α-helix | 724-754 | 31 | |
Chain A: 42 helices, 16 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 16 | 1 | 1 |
| α-helix | 26-28 | 3 | |
| α-helix | 37-39 | 3 | |
| β-strand | 44 | 1 | 2 |
| α-helix | 46-53 | 8 | |
| α-helix | 65-93 | 29 | |
| α-helix | 100-105 | 6 | |
| α-helix | 111-112 | 2 | |
| β-strand | 113 | 1 | 3 |
| β-strand | 129 | 1 | 4 |
| β-strand | 135 | 1 | 4 |
| α-helix | 137 | 1 | |
| β-strand | 138 | 1 | 3 |
| α-helix | 139 | 1 | |
| α-helix | 143-150 | 8 | |
| α-helix | 156-181 | 26 | |
| β-strand | 185 | 1 | 1 |
| α-helix | 187-189 | 3 | |
| α-helix | 193-199 | 7 | |
| α-helix | 200-204 | 5 | |
| α-helix | 207-215 | 9 | |
| α-helix | 216-220 | 5 | |
| α-helix | 221-229 | 9 | |
| α-helix | 237-238 | 2 | |
| α-helix | 241-244 | 4 | |
| α-helix | 246-249 | 4 | |
| α-helix | 272-275 | 4 | |
| α-helix | 294-310 | 17 | |
| β-strand | 315 | 1 | 5 |
| β-strand | 317 | 1 | 6 |
| β-strand | 320 | 1 | 6 |
| β-strand | 323 | 1 | 5 |
| α-helix | 325-331 | 7 | |
| α-helix | 344-350 | 7 | |
| α-helix | 353-372 | 20 | |
| α-helix | 387-417 | 31 | |
| α-helix | 429-434 | 6 | |
| α-helix | 437-467 | 31 | |
| α-helix | 471-473 | 3 | |
| α-helix | 485-495 | 11 | |
| α-helix | 497-501 | 5 | |
| α-helix | 511-513 | 3 | |
| β-strand | 518-520 | 3 | 7 |
| β-strand | 523-526 | 4 | 7 |
| α-helix | 533-558 | 26 | |
| α-helix | 569-572 | 4 | |
| α-helix | 591-616 | 26 | |
| α-helix | 617-621 | 5 | |
| β-strand | 623-625 | 3 | 7 |
| β-strand | 631-633 | 3 | 7 |
| α-helix | 639-642 | 4 | |
| α-helix | 646-648 | 3 | |
| α-helix | 649-655 | 7 | |
| α-helix | 656-658 | 3 | |
| α-helix | 670-691 | 22 | |
| α-helix | 694-710 | 17 | |
| β-strand | 718 | 1 | 2 |
| α-helix | 724-751 | 28 | |
Chain b: 39 helices, 12 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 16 | 1 | 37 |
| α-helix | 21-24 | 4 | |
| α-helix | 30-32 | 3 | |
| α-helix | 38-70 | 33 | |
| α-helix | 73-76 | 4 | |
| α-helix | 83-85 | 3 | |
| β-strand | 86 | 1 | 38 |
| β-strand | 114 | 1 | 38 |
| α-helix | 119-126 | 8 | |
| α-helix | 131-154 | 24 | |
| α-helix | 158-160 | 3 | |
| α-helix | 161-163 | 3 | |
| α-helix | 164-167 | 4 | |
| α-helix | 170-176 | 7 | |
| α-helix | 177-185 | 9 | |
| α-helix | 186-192 | 7 | |
| α-helix | 193-197 | 5 | |
| α-helix | 198-202 | 5 | |
| α-helix | 211-213 | 3 | |
| α-helix | 222-226 | 5 | |
| α-helix | 229-232 | 4 | |
| α-helix | 269-287 | 19 | |
| β-strand | 290 | 1 | 39 |
| β-strand | 298 | 1 | 39 |
| α-helix | 300-303 | 4 | |
| β-strand | 309 | 1 | 40 |
| β-strand | 312 | 1 | 40 |
| α-helix | 317-319 | 3 | |
| α-helix | 325-331 | 7 | |
| α-helix | 333-354 | 22 | |
| α-helix | 368-399 | 32 | |
| α-helix | 410-415 | 6 | |
| α-helix | 418-448 | 31 | |
| β-strand | 457-458 | 2 | 41 |
| α-helix | 461-470 | 10 | |
| α-helix | 487-490 | 4 | |
| α-helix | 500-507 | 8 | |
| α-helix | 520-545 | 26 | |
| α-helix | 556-558 | 3 | |
| β-strand | 569 | 1 | 42 |
| α-helix | 579-608 | 30 | |
| α-helix | 613-618 | 6 | |
| α-helix | 627-631 | 5 | |
| α-helix | 635-638 | 4 | |
| β-strand | 641 | 1 | 43 |
| β-strand | 646 | 1 | 43 |
| α-helix | 650-665 | 16 | |
| α-helix | 668-671 | 4 | |
| α-helix | 674-689 | 16 | |
| β-strand | 702 | 1 | 37 |
| α-helix | 708-736 | 29 | |
Chain B: 39 helices, 13 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 16 | 1 | 23 |
| α-helix | 21-24 | 4 | |
| α-helix | 30-32 | 3 | |
| α-helix | 38-70 | 33 | |
| α-helix | 73-78 | 6 | |
| α-helix | 83-85 | 3 | |
| β-strand | 86 | 1 | 24 |
| α-helix | 98-101 | 4 | |
| β-strand | 114 | 1 | 24 |
| α-helix | 119-126 | 8 | |
| α-helix | 131-154 | 24 | |
| α-helix | 161-163 | 3 | |
| α-helix | 164-167 | 4 | |
| α-helix | 170-176 | 7 | |
| α-helix | 177-185 | 9 | |
| α-helix | 186-192 | 7 | |
| α-helix | 193-197 | 5 | |
| α-helix | 198-201 | 4 | |
| α-helix | 211-213 | 3 | |
| α-helix | 222-226 | 5 | |
| α-helix | 229-233 | 5 | |
| β-strand | 243 | 1 | 25 |
| β-strand | 245 | 1 | 25 |
| α-helix | 269-287 | 19 | |
| β-strand | 290 | 1 | 26 |
| β-strand | 298 | 1 | 26 |
| α-helix | 300-304 | 5 | |
| β-strand | 309 | 1 | 27 |
| β-strand | 312 | 1 | 27 |
| α-helix | 317-319 | 3 | |
| α-helix | 325-331 | 7 | |
| α-helix | 333-354 | 22 | |
| α-helix | 368-399 | 32 | |
| α-helix | 410-415 | 6 | |
| α-helix | 418-448 | 31 | |
| β-strand | 457-458 | 2 | 28 |
| α-helix | 461-468 | 8 | |
| α-helix | 487-490 | 4 | |
| α-helix | 500-507 | 8 | |
| α-helix | 520-545 | 26 | |
| α-helix | 556-559 | 4 | |
| α-helix | 578-607 | 30 | |
| α-helix | 613-618 | 6 | |
| α-helix | 623-625 | 3 | |
| α-helix | 626-631 | 6 | |
| α-helix | 635-638 | 4 | |
| β-strand | 641 | 1 | 29 |
| β-strand | 646 | 1 | 29 |
| α-helix | 650-671 | 22 | |
| α-helix | 674-689 | 16 | |
| β-strand | 702 | 1 | 23 |
| α-helix | 708-736 | 29 | |
Chains c, C and N: 1 helix, 4 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 3-6 | 4 | 48 |
| β-strand | 26-29 | 4 | 49 |
| β-strand | 37-40 | 4 | 49 |
| α-helix | 44-46 | 3 | |
| β-strand | 64-67 | 4 | 48 |
Chain d: 6 helices, 11 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 6 | 1 | 58 |
| α-helix | 7-8 | 2 | |
| β-strand | 9 | 1 | 59 |
| β-strand | 13 | 1 | 60 |
| β-strand | 17 | 1 | 61 |
| β-strand | 26-33 | 8 | 58 |
| β-strand | 38-41 | 4 | 59 |
| β-strand | 45-48 | 4 | 59 |
| α-helix | 49-50 | 2 | |
| β-strand | 52-58 | 7 | 58 |
| α-helix | 61-67 | 7 | |
| α-helix | 68-72 | 5 | |
| β-strand | 81-85 | 5 | 58 |
| β-strand | 91-93 | 3 | 58 |
| β-strand | 114 | 1 | 48 |
| α-helix | 119-121 | 3 | |
| α-helix | 122-124 | 3 | |
Chain D: 5 helices, 11 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 6 | 1 | 50 |
| β-strand | 9 | 1 | 51 |
| β-strand | 13 | 1 | 52 |
| β-strand | 17 | 1 | 53 |
| α-helix | 19-22 | 4 | |
| β-strand | 26-33 | 8 | 50 |
| β-strand | 38-41 | 4 | 51 |
| β-strand | 45-48 | 4 | 51 |
| α-helix | 49-50 | 2 | |
| β-strand | 52-58 | 7 | 50 |
| α-helix | 61-67 | 7 | |
| α-helix | 68-72 | 5 | |
| β-strand | 81-85 | 5 | 50 |
| β-strand | 91-93 | 3 | 50 |
| β-strand | 114 | 1 | 44 |
| α-helix | 122-124 | 3 | |
Chain e: 0 helices, 6 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 6-9 | 4 | 64 |
| β-strand | 20-25 | 6 | 64 |
| β-strand | 36-39 | 4 | 64 |
| β-strand | 48 | 1 | 42 |
| β-strand | 57-60 | 4 | 64 |
| β-strand | 65-67 | 3 | 64 |
16 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.
Molecules and chains
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|
| Photosystem I P700 chlorophyll a apoprotein A1 | A, G, a | protein | 755 | Thermosynechococcus vestitus BP-1 | P0A405 (AlphaFold model) |
| Photosystem I P700 chlorophyll a apoprotein A2 | B, H, b | protein | 741 | Thermosynechococcus vestitus BP-1 | P0A407 (AlphaFold model) |
| Photosystem I iron-sulfur center | C, N, c | protein | 81 | Thermosynechococcus vestitus BP-1 | P0A415 (AlphaFold model) |
| Photosystem I reaction center subunit II | D, O, d | protein | 139 | Thermosynechococcus vestitus BP-1 | P0A420 (AlphaFold model) |
| Photosystem I reaction center subunit IV | E, P, e | protein | 76 | Thermosynechococcus vestitus BP-1 | P0A423 |
| Photosystem I reaction center subunit III | F, Q, f | protein | 164 | Thermosynechococcus vestitus BP-1 | P0A401 |
| Photosystem I reaction center subunit VIII | I, R, i | protein | 38 | Thermosynechococcus vestitus BP-1 | P0A427 |
| Photosystem I reaction center subunit IX | J, S, j | protein | 41 | Thermosynechococcus vestitus BP-1 | P0A429 |
| Photosystem I reaction center subunit PsaK | K, T, k | protein | 83 | Thermosynechococcus vestitus BP-1 | P0A425 |
| Photosystem I reaction center subunit XI | L, U, l | protein | 155 | Thermosynechococcus vestitus BP-1 | Q8DGB4 |
| Photosystem I reaction center subunit XII | M, V, m | protein | 31 | Thermosynechococcus vestitus BP-1 | P0A403 |
| Photosystem I 4.8K protein | W, X, x | protein | 39 | Thermosynechococcus vestitus BP-1 | Q8DKP6 |
Sequence of entity 1 (A, G, a), FASTA
>10EG_1 Photosystem I P700 chlorophyll a apoprotein A1 (chains A, G, a)
MTISPPEREPKVRVVVDNDPVPTSFEKWAKPGHFDRTLARGPQTTTWIWNLHALAHDFDT
HTSDLEDISRKIFSAHFGHLAVVFIWLSGMYFHGAKFSNYEAWLADPTGIKPSAQVVWPI
VGQGILNGDVGGGFHGIQITSGLFQLWRASGITNEFQLYCTAIGGLVMAGLMLFAGWFHY
HKRAPKLEWFQNVESMLNHHLAGLLGLGSLAWAGHQIHVSLPINKLLDAGVAAKDIPLPH
EFILNPSLMAELYPKVDWGFFSGVIPFFTFNWAAYSDFLTFNGGLNPVTGGLWLSDTAHH
HLAIAVLFIIAGHMYRTNWGIGHSLKEILEAHKGPFTGAGHKGLYEVLTTSWHAQLAINL
AMMGSLSIIVAQHMYAMPPYPYLATDYPTQLSLFTHHMWIGGFLVVGGAAHGAIFMVRDY
DPAMNQNNVLDRVLRHRDAIISHLNWVCIFLGFHSFGLYVHNDTMRAFGRPQDMFSDTGI
QLQPVFAQWVQNLHTLAPGGTAPNAAATASVAFGGDVVAVGGKVAMMPIVLGTADFMVHH
IHAFTIHVTVLILLKGVLFARSSRLIPDKANLGFRFPCDGPGRGGTCQVSGWDHVFLGLF
WMYNCISVVIFHFSWKMQSDVWGTVAPDGTVSHITGGNFAQSAITINGWLRDFLWAQASQ
VIGSYGSALSAYGLLFLGAHFIWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPAIQPR
ALSIIQGRAVGVAHYLLGGIATTWAFFLARIISVG
Sequence of entity 2 (B, H, b), FASTA
>10EG_2 Photosystem I P700 chlorophyll a apoprotein A2 (chains B, H, b)
MATKFPKFSQDLAQDPTTRRIWYAIAMAHDFESHDGMTEENLYQKIFASHFGHLAIIFLW
VSGSLFHVAWQGNFEQWVQDPVNTRPIAHAIWDPQFGKAAVDAFTQAGASNPVDIAYSGV
YHWWYTIGMRTNGDLYQGAIFLLILASLALFAGWLHLQPKFRPSLSWFKNAESRLNHHLA
GLFGVSSLAWAGHLIHVAIPESRGQHVGWDNFLSTMPHPAGLAPFFTGNWGVYAQNPDTA
SHVFGTAQGAGTAILTFLGGFHPQTESLWLTDMAHHHLAIAVLFIVAGHMYRTQFGIGHS
IKEMMDAKDFFGTKVEGPFNMPHQGIYETYNNSLHFQLGWHLACLGVITSLVAQHMYSLP
PYAFIAQDHTTMAALYTHHQYIAGFLMVGAFAHGAIFLVRDYDPAQNKGNVLDRVLQHKE
AIISHLSWVSLFLGFHTLGLYVHNDVVVAFGTPEKQILIEPVFAQFIQAAHGKLLYGFDT
LLSNPDSIASTAWPNYGNVWLPGWLDAINSGTNSLFLTIGPGDFLVHHAIALGLHTTTLI
LVKGALDARGSKLMPDKKDFGYAFPCDGPGRGGTCDISAWDAFYLAMFWMLNTIGWVTFY
WHWKHLGVWEGNVAQFNESSTYLMGWLRDYLWLNSSQLINGYNPFGTNNLSVWAWMFLFG
HLVWATGFMFLISWRGYWQELIETLVWAHERTPLANLVRWKDKPVALSIVQARLVGLAHF
SVGYILTYAAFLIASTAAKFG
Sequence of entity 3 (C, N, c), FASTA
>10EG_3 Photosystem I iron-sulfur center (chains C, N, c)
MAHTVKIYDTCIGCTQCVRACPTDVLEMVPWDGCKAGQIASSPRTEDCVGCKRCETACPT
DFLSIRVYLGAETTRSMGLAY
Sequence of entity 4 (D, O, d), FASTA
>10EG_4 Photosystem I reaction center subunit II (chains D, O, d)
MTTLTGQPPLYGGSTGGLLSAADTEEKYAITWTSPKEQVFEMPTAGAAVMREGENLVYFA
RKEQCLALAAQQLRPRKINDYKIYRIFPDGETVLIHPKDGVFPEKVNKGREAVNSVPRSI
GQNPNPSQLKFTGKKPYDP
Sequence of entity 5 (E, P, e), FASTA
>10EG_5 Photosystem I reaction center subunit IV (chains E, P, e)
MVQRGSKVKILRPESYWYNEVGTVASVDQTPGVKYPVIVRFDKVNYTGYSGSASGVNTNN
FALHEVQEVAPPKKGK
Sequence of entity 6 (F, Q, f), FASTA
>10EG_6 Photosystem I reaction center subunit III (chains F, Q, f)
MRRFLALLLVLTLWLGFTPLASADVAGLVPCKDSPAFQKRAAAAVNTTADPASGQKRFER
YSQALCGEDGLPHLVVDGRLSRAGDFLIPSVLFLYIAGWIGWVGRAYLIAVRNSGEANEK
EIIIDVPLAIKCMLTGFAWPLAALKELASGELTAKDNEITVSPR
Sequence of entity 7 (I, R, i), FASTA
>10EG_7 Photosystem I reaction center subunit VIII (chains I, R, i)
MMGSYAASFLPWIFIPVVCWLMPTVVMGLLFLYIEGEA
Sequence of entity 8 (J, S, j), FASTA
>10EG_8 Photosystem I reaction center subunit IX (chains J, S, j)
MKHFLTYLSTAPVLAAIWMTITAGILIEFNRFYPDLLFHPL
Sequence of entity 9 (K, T, k), FASTA
>10EG_9 Photosystem I reaction center subunit PsaK (chains K, T, k)
MVLATLPDTTWTPSVGLVVILCNLFAIALGRYAIQSRGKGPGLPIALPALFEGFGLPELL
ATTSFGHLLAAGVVSGLQYAGAL
Sequence of entity 10 (L, U, l), FASTA
>10EG_10 Photosystem I reaction center subunit XI (chains L, U, l)
MAEELVKPYNGDPFVGHLSTPISDSGLVKTFIGNLPAYRQGLSPILRGLEVGMAHGYFLI
GPWVKLGPLRDSDVANLGGLISGIALILVATACLAAYGLVSFQKGGSSSDPLKTSEGWSQ
FTAGFFVGAMGSAFVAFFLLENFLVVDGIMTGLFN
Sequence of entity 11 (M, V, m), FASTA
>10EG_11 Photosystem I reaction center subunit XII (chains M, V, m)
MALTDTQVYVALVIALLPAVLAFRLSTELYK
Sequence of entity 12 (W, X, x), FASTA
>10EG_12 Photosystem I 4.8K protein (chains W, X, x)
MSTMATKSAKPTYAFRTFWAVLLLAINFLVAAYYFGILK
Ligands and cofactors
| ID | Name | Formula | Copies |
|---|
| CL0 | Chlorophyll a isomer | C55 H72 Mg N4 O5 | 3 |
| CLA | Chlorophyll a | C55 H72 Mg N4 O5 | 285 |
| PQN | Phylloquinone | C31 H46 O2 | 6 |
| BCR | Beta-carotene | C40 H56 | 66 |
| LHG | 1,2-dipalmitoyl-phosphatidyl-glycerole | C38 H75 O10 P | 6 |
| SF4 | Iron/sulfur cluster | Fe4 S4 | 9 |
| LMG | 1,2-distearoyl-monogalactosyl-diglyceride | C45 H86 O10 | 3 |
| CA | Calcium ion | Ca | 3 |
Primary citation
Molecular design principles for Photosystem I-based biohybrid solar fuel catalysts. Emerson, M.D., Damaraju, S.N.S., Short, A.H. et al. bioRxiv (2026). DOI 10.64898/2026.03.23.713776 · PubMed
Other PDB entries of the same protein (UniProt P0A405 (AlphaFold model), which also has an AlphaFold model), best resolution first:
- 9QFP 1.74 Å, Monomeric Photosystem I Cryo-EM structure at 1.8 A resolution
- 7FIX 1.97 Å, Cryo-EM structure of cyanobacterial photosystem I in the presence of ferredoxin and…
- 1JB0 2.5 Å, Crystal Structure of Photosystem I: a Photosynthetic Reaction Center and Core Antenna…
- 7M75 2.75 Å, Room Temperature XFEL Crystallography reveals asymmetry in the vicinity of the two…
- 6TRA 2.85 Å, Cryo- EM structure of the Thermosynechococcus elongatus photosystem I in the presence of…
- 6PFY 2.9 Å, Membrane Protein Megahertz Crystallography at the European XFEL, Photosystem I at…
- 6PGK 2.9 Å, Membrane Protein Megahertz Crystallography at the European XFEL, Photosystem I XFEL at…
- 6TRC 2.98 Å, Cryo- EM structure of the Thermosynechococcus elongatus photosystem I in the presence of…
- 7M76 3.0 Å, Room Temperature XFEL Crystallography reveals asymmetry in the vicinity of the two…
- 7M78 3.0 Å, Room Temperature XFEL Crystallography reveals asymmetry in the vicinity of the two…
- 6TRD 3.16 Å, Cryo- EM structure of the Thermosynechococcus elongatus photosystem I in the presence of…
- 6LU1 3.2 Å, Cyanobacterial PSI Monomer from T. elongatus by Single Particle CRYO-EM at 3.2 A…
Browse structure collections
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