Structure of PDB 6jeo Chain cA

Receptor sequence
>6jeocA (length=739) Species: 103690 (Nostoc sp. PCC 7120 = FACHB-418) [Search protein sequence]
RVIVDKDPVPTSFEKWAQPGHFDRTLARGPKTTTWIWNLHALAHDFDTHT
SDLEDISRKIFAAHFGHLAVVTIWLSGMIFHGAKFSNYEAWLSDPLNVRP
SAQVVWPIVGQDILNGDVGGGFHGIQITSGLFQVWRGWGITNSFQLYCTA
IGGLVLAGLFLFAGWFHYHKRAPKLEWFQNVESMLNHHLQVLLGCGSLGW
AGHLIHVSAPINKLMDAGVAVKDIPLPHEFILNKSLLIDLFPGFAAGLTP
FFTLNWGQYADFLTFKGGLNPVTGGLWMTDIAHHHLAIAVVFIIAGHQYR
TNWGIGHSIKEILENHKGPFTGEGHKGLYENLTTSWHAQLATNLAFLGSL
TIIIAHHMYAMPPYPYLATDYATQLCIFTHHIWIGGFLIVGGAAHAAIFM
VRDYDPVVNQNNVLDRVIRHRDAIISHLNWVCIFLGFHSFGLYIHNDTMR
ALGRPQDMFSDTAIQLQPVFAQWVQNLHTLAPGGTAPNALEPVSYAFGGG
VLAVGGKVAMMPIALGTADFLIHHIHAFTIHVTVLILLKGVLFARSSRLI
PDKANLGFRFPCDGPGRGGTCQVSGWDHVFLGLFWMYNSLSIVIFHFSWK
MQSDVWGTVDAAGNVSHITGGNFAQSAITINGWLRDFLWAQASQVINSYG
SALSAYGLMFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPA
IQPRALSITQGRAVGVAHYLLGGIATTWAFFHAHILSVG
3D structure
PDB6jeo Structure of a cyanobacterial photosystem I tetramer revealed by cryo-electron microscopy.
ChaincA
Resolution3.3 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 1.97.1.12: photosystem I.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 CL0 cA F453 Y600 I605 F608 W646 F673 H677 W680 T739 F743 F440 Y587 I592 F595 W633 F660 H664 W667 T726 F730
BS02 CLA cA F678 A681 F682 M685 Y693 W694 L697 F665 A668 F669 M672 Y680 W681 L684
BS03 CLA cA P32 I49 L52 H53 P19 I36 L39 H40
BS04 CLA cA H34 A56 H57 F59 G79 H21 A43 H44 F46 G66
BS05 CLA cA H57 F59 I73 H77 H80 L353 N356 H44 F46 I60 H64 H67 L340 N343
BS06 CLA cA H80 V84 W87 H67 V71 W74
BS07 CLA cA W87 F93 H94 F98 W74 F80 H81 F85
BS08 CLA cA M91 Q116 I138 I140 S142 A668 Y669 M78 Q103 I125 I127 S129 A655 Y656
BS09 CLA cA Q116 V118 W119 Q124 Q103 V105 W106 Q111
BS10 CLA cA V17 L172 A176 F179 H180 W190 V4 L159 A163 F166 H167 W177
BS11 CLA cA T24 S25 K28 W29 H34 K72 L174 G177 Y181 H182 T11 S12 K15 W16 H21 K59 L161 G164 Y168 H169
BS12 CLA cA V15 W190 S196 H200 T314 W316 V2 W177 S183 H187 T301 W303
BS13 CLA cA F74 F78 W190 M197 H200 H201 V204 L205 F61 F65 W177 M184 H187 H188 V191 L192
BS14 CLA cA W151 G152 G212 W213 H216 V220 P240 W138 G139 G199 W200 H203 V207 P227
BS15 CLA cA L211 I218 H219 K247 F257 G260 L299 L198 I205 H206 K234 F244 G247 L286
BS16 CLA cA H241 L245 H228 L232
BS17 CLA cA W269 Y272 L276 H296 L299 A300 V303 N501 W256 Y259 L263 H283 L286 A287 V290 N488
BS18 CLA cA F278 D293 H296 H297 A300 I301 H370 M374 V506 F265 D280 H283 H284 A287 I288 H357 M361 V493
BS19 CLA cA W151 L206 S210 W213 H297 H298 I367 P376 Y377 W138 L193 S197 W200 H284 H285 I354 P363 Y364
BS20 CLA cA Q203 H310 T314 W316 Q190 H297 T301 W303
BS21 CLA cA L198 L202 A308 Q311 Y312 I325 L185 L189 A295 Q298 Y299 I312
BS22 CLA cA I307 Q311 G319 H320 I294 Q298 G306 H307
BS23 CLA cA H320 I325 N328 H329 H307 I312 N315 H316
BS24 CLA cA L326 H338 L341 V426 L427 L313 H325 L328 V413 L414
BS25 CLA cA V194 M197 L198 H201 L345 T346 T347 S348 W349 T355 N356 F359 V181 M184 L185 H188 L332 T333 T334 S335 W336 T342 N343 F346
BS26 CLA cA I365 H369 I402 V547 I352 H356 I389 V534
BS27 CLA cA I366 H370 A373 M374 V506 F510 I353 H357 A360 M361 V493 F497
BS28 CLA cA W87 S142 H393 W396 I397 W741 W74 S129 H380 W383 I384 W728
BS29 CLA cA L144 V147 I367 Y377 I390 H393 H394 L131 V134 I354 Y364 I377 H380 H381
BS30 CLA cA H53 A54 H57 D58 G404 H408 R572 W589 H40 A41 H44 D45 G391 H395 R559 W576
BS31 CLA cA V426 R429 H433 H440 V413 R416 H420 H427
BS32 CLA cA H440 W443 H427 W430
BS33 CLA cA W443 F447 F450 H451 W430 F434 F437 H438
BS34 CLA cA F450 L455 H458 T461 M462 R467 D470 F437 L442 H445 T448 M449 R454 D457
BS35 CLA cA H491 A494 T498 V506 H478 A481 T485 V493
BS36 CLA cA F278 T498 P500 N501 F265 T485 P487 N488
BS37 CLA cA Y372 F483 A484 V487 Q488 I526 H536 H539 V606 H609 Y359 F470 A471 V474 Q475 I513 H523 H526 V593 H596
BS38 CLA cA F447 L448 P481 F483 A484 F533 H537 A540 F434 L435 P468 F470 A471 F520 H524 A527
BS39 CLA cA V430 V444 H544 V417 V431 H531
BS40 CLA cA I701 A704 H705 I688 A691 H692
BS41 CLA cA F682 V727 H731 L734 F669 V714 H718 L721
BS42 CLA cA H329 K330 P332 F333 H316 K317 P319 F320
BS43 PQN cA M685 F686 R691 W694 A718 L719 G724 M672 F673 R678 W681 A705 L706 G711
BS44 SF4 cA C575 G577 C584 C562 G564 C571
BS45 CLA cA F453 I457 D460 F541 W598 N601 I643 Y732 F440 I444 D447 F528 W585 N588 I630 Y719
BS46 CLA cA L671 L674 H677 F678 A681 L658 L661 H664 F665 A668
BS47 CLA cA G449 F450 F541 L548 F597 W598 G436 F437 F528 L535 F584 W585
BS48 CLA cA A464 L465 A451 L452
BS49 CLA cA T46 I49 H705 P712 P716 T33 I36 H692 P699 P703
BS50 CLA cA F265 L267 F252 L254
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0009055 electron transfer activity
GO:0016168 chlorophyll binding
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0051539 4 iron, 4 sulfur cluster binding
Biological Process
GO:0015979 photosynthesis
Cellular Component
GO:0009522 photosystem I
GO:0009579 thylakoid
GO:0016020 membrane
GO:0031676 plasma membrane-derived thylakoid membrane
GO:0042651 thylakoid membrane

View graph for
Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:6jeo, PDBe:6jeo, PDBj:6jeo
PDBsum6jeo
PubMed31666526
UniProtP58576|PSAA_NOSS1 Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)

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