Structure of PDB 6jo6 Chain A

Receptor sequence

>6jo6A (length=738) Species: 3055 (Chlamydomonas reinhardtii)

KVKIAVDRNPVETSFEKWAKPGHFSRTLSKGPNTTTWIWNLHADAHDFDS
HTSDLEEISRKVFSAHFGQLGIIFIWLSGMYFHGARFSNYEAWLSDPTHI
KPSAQVVWPIVGQEILNGDVGGGFQGIQITSGFFQLWRASGITSELQLYT
TAIGGLVMAAAMFFAGWFHYHKAAPKLEWFQNVESMLNHHLGGLLGLGSL
AWAGHQIHVSLPVNKLLDAGVDPKEIPLPHDLLLNRAIMADLYPSFAKGI
APFFTLNWSEYSDFLTFKGGLNPVTGGLWLSDTAHHHVAIAVLFLVAGHM
YRTNWGIGHSMKEILEAHRGPFTGEGHVGLYEILTTSWHAQLAINLALFG
SLSIIVAHHMYAMPPYPYLATDYGTQLSLFTHHTWIGGFCIVGAGAHAAI
FMVRDYDPTNNYNNLLDRVIRHRDAIISHLNWVCIFLGFHSFGLYIHNDT
MSALGRPQDMFSDTAIQLQPVFAQWIQNTHFLAPQLTAPNALAATSLTWG
GDLVAVGGKVAMMPISLGTSDFMVHHIHAFTIHVTVLILLKGVLFARSSR
LIPDKANLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNSLSIVIFHFS
WKMQSDVWGTVTGVSHITGGNFAQSANTINGWLRDFLWAQSSQVIQSYGS
ALSAYGLIFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPAI
QPRALSITQGRAVGVAHYLLGGIATTWSFFLARIISVG

3D structure

• PDB: 6jo6 Structure of the green algal photosystem I supercomplex with a decameric light-harvesting complex I.
• Chain: A
• Resolution: 2.9 Å

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	A	I538 Y600 I605 F608 L650 S654 F672 H676 W679 T738 T739 F742	I527 Y589 I594 F597 L637 S641 F659 H663 W666 T725 T726 F729
BS02	CLA	A	F677 A680 F681 M684 Y692 W693 L696	F664 A667 F668 M671 Y679 W680 L683
BS03	CLA	A	F453 I457 F541 W598 N601 I642 W679 Y731	F442 I446 F530 W587 N590 I629 W666 Y718
BS04	CLA	A	I49 W50 H53	I38 W39 H42
BS05	CLA	A	H34 F35 A56 H57 G79	H23 F24 A45 H46 G68
BS06	CLA	A	H57 F59 V73 A76 H77 Q80 F85 W349 H350 Q352 L353 N356	H46 F48 V62 A65 H66 Q69 F74 W338 H339 Q341 L342 N345
BS07	CLA	A	Q80 I84 W87 F360 C401	Q69 I73 W76 F349 C390
BS08	CLA	A	G90 F93 H94 F98 W119	G79 F82 H83 F87 W108
BS09	CLA	A	M91 A115 Q116 I140 S142 Y668	M80 A104 Q105 I129 S131 Y655
BS10	CLA	A	Q116 V118 W119 Q124 F174	Q105 V107 W108 Q113 F163
BS11	CLA	A	I15 V17 F74 F78 A176 F179 H180 W190	I4 V6 F63 F67 A165 F168 H169 W179
BS12	CLA	A	T24 S25 K28 W29 H34 K72 S75 I83 G177 W178 Y181 H182	T13 S14 K17 W18 H23 K61 S64 I72 G166 W167 Y170 H171
BS13	CLA	A	V13 I15 W190 H200 T314	V2 I4 W179 H189 T303
BS14	CLA	A	F74 H77 F78 W190 F191 M197 H200 H201	F63 H66 F67 W179 F180 M186 H189 H190
BS15	CLA	A	G152 I153 Q158 T162 A212 W213 H216 V220 P240	G141 I142 Q147 T151 A201 W202 H205 V209 P229
BS16	CLA	A	L211 G215 I218 H219 R247 F257 G260 I261	L200 G204 I207 H208 R236 F246 G249 I250
BS17	CLA	A	T161 H241	T150 H230
BS18	CLA	A	W269 S270 Y272 S273 L276 T277 H296 V299 A300 V303 N501	W258 S259 Y261 S262 L265 T266 H285 V288 A289 V292 N490
BS19	CLA	A	F278 D293 H297 A300 I301 H370 M374 T506	F267 D282 H286 A289 I290 H359 M363 T495
BS20	CLA	A	L206 G209 S210 W213 Q217 H297 H298 I301 L363 V367 P376 Y377	L195 G198 S199 W202 Q206 H286 H287 I290 L352 V356 P365 Y366
BS21	CLA	A	H200 G203 G204 L208 H310 T314	H189 G192 G193 L197 H299 T303
BS22	CLA	A	L202 F305 A308 M311 Y312 M322 I325 L359	L191 F294 A297 M300 Y301 M311 I314 L348
BS23	CLA	A	V307 I318 G319 H320	V296 I307 G308 H309
BS24	CLA	A	H320 I325 A328 H329	H309 I314 A317 H318
BS25	CLA	A	L326 H338 L341 L426	L315 H327 L330 L415
BS26	CLA	A	H77 F191 V194 M197 L198 H201 L202 M322 L345 T346 T347 W349 Q352 I355 N356 L359	H66 F180 V183 M186 L187 H190 L191 M311 L334 T335 T336 W338 Q341 I344 N345 L348
BS27	CLA	A	I365 I366 H369 I402 I543 T546 V547 S602	I354 I355 H358 I391 I532 T535 V536 S591
BS28	CLA	A	L359 I366 H370 A373 M374 T506 W510	L348 I355 H359 A362 M363 T495 W499
BS29	CLA	A	W87 S142 S389 H393 W396 I671 I736 W740	W76 S131 S378 H382 W385 I658 I723 W727
BS30	CLA	A	W87 F144 L147 F360 S364 V367 M371 Y377 L390 H393 H394 I397	W76 F133 L136 F349 S353 V356 M360 Y366 L379 H382 H383 I386
BS31	CLA	A	A54 H57 D58 L353 L357 F400 G404 A407 H408 I411 R415 F571 R572 W589	A43 H46 D47 L342 L346 F389 G393 A396 H397 I400 R404 F560 R561 W578
BS32	CLA	A	T334 R429 H433 I437 H440	T323 R418 H422 I426 H429
BS33	CLA	A	H440 W443	H429 W432
BS34	CLA	A	W443 I446 F447 F450 H451	W432 I435 F436 F439 H440
BS35	CLA	A	F450 G454 I457 H458 M462 R467 D470 F472	F439 G443 I446 H447 M451 R456 D459 F461
BS36	CLA	A	I487 H491 A494 T498	I476 H480 A483 T487
BS37	CLA	A	F278 T498 P500 N501	F267 T487 P489 N490
BS38	CLA	A	H369 Y372 F483 A484 I487 W510 H536 H539 V606 H609 K613	H358 Y361 F472 A473 I476 W499 H525 H528 V595 H598 K602
BS39	CLA	A	L448 P481 F483 A484 F533 H536 H537 A540	L437 P470 F472 A473 F522 H525 H526 A529
BS40	CLA	A	L441 H544	L430 H533
BS41	CLA	A	I700 A703 H704	I687 A690 H691
BS42	CLA	A	F681 L718 A725 V726 H730 L733	F668 L705 A712 V713 H717 L720
BS43	CLA	A	W443 I446	W432 I435
BS44	PQN	A	M684 F685 S688 R690 W693 A717 L718 G723	M671 F672 S675 R677 W680 A704 L705 G710
BS45	CLA	A	H329 R330 P332 F333	H318 R319 P321 F322
BS46	SF4	A	C575 C584 I720	C564 C573 I707
BS47	CLA	A	L670 L673 G674 H676 F677 A680	L657 L660 G661 H663 F664 A667
BS48	CLA	A	L650 W651	L637 W638
BS49	CLA	A	I446 F450 F453 F541 L548 F597 W598	I435 F439 F442 F530 L537 F586 W587
BS50	CLA	A	A464 L465	A453 L454
BS51	CLA	A	T46 H704 P711 P715	T35 H691 P698 P702
BS52	CLA	A	F264 F265 L267	F253 F254 L256

Gene Ontology

Molecular Function

• GO:0000287 magnesium ion binding
• GO:0005515 protein 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:0009507 chloroplast
• GO:0009522 photosystem I
• GO:0009535 chloroplast thylakoid membrane
• GO:0009579 thylakoid
• GO:0016020 membrane

External links

• PDB: RCSB:6jo6, PDBe:6jo6, PDBj:6jo6
• PDBsum: 6jo6
• PubMed: 31182847
• UniProt: P12154|PSAA_CHLRE Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)