Structure of PDB 6sl5 Chain A

Receptor sequence

>6sl5A (length=740) Species: 3046 (Dunaliella salina)

KVKIAVDRNPVETNFEKWAKPGHFSRALAKGPNTTTWIWNLHADAHDFDN
HTSDLEEISRKVFSAHFGQLGIILIWLSGMYFHGARFSNYEGWLSDPTHI
KPSAQVVWPIVGQEILNGDVGGGFQGIQITSGFFQLWRASGITSELQLYS
TAIGGLVLAAACFFAGWFHYHKAAPKLEWFQNVESMLNHHLAGLLGLGSL
AWAGHQIHVSLPVNKLLDAGVDPKEIPLPHEFLLNQSIIADLYPSFSKGL
APFFTLNWAEYSDFLTFKGGLNPVTGGLWLSDTAHHHLAIAVLFLVAGHQ
YRTNWGIGHSIKDILESHKGPFTGNGHAGLYEILTTSWHAQLAINLALFG
SLSIIVAHHMYAMPPYPYLATDYGTQLSLFTHHMWIGGFCVVGAGAHAAI
FMVRDYDPTNNYNNLLDRVIRHRDAIISHLNWVSIFLGFHSFGLYIHNDT
MSALGRPQDMFSDTAIQLQPVFAQWIQNTHFTAPQLTAPNALAATSLTWG
GDVVAVGGKVAMMPIALGTSDFLVHHIHAFTIHVTVLILLKGVLFARSSR
LIPDKANLGFRFPCDGPGRGGTCQVSAWDHVFLGLFWMYNSLSIVIFHFS
WKMQSDVWGTVTDSGVSHITGGNFAQSANTINGWLRDFLWAQSSQVIQSY
GSALSAYGLMFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLRVAP
SIQPRALSITQGRAVGVAHYLLGGIATTWSFFLARIIAVG

3D structure

• PDB: 6sl5 Structure and energy transfer pathways of the Dunaliella Salina photosystem I supercomplex.
• Chain: A
• Resolution: 2.84 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	Y600 I605 I658 F672 H676 W679 T738 F742	Y589 I594 I647 F661 H665 W668 T727 F731
BS02	CLA	A	L673 H676 F677 A680	L662 H665 F666 A669
BS03	CLA	A	F677 A680 F681 M684 F687 Y692 W693 L696	F666 A669 F670 M673 F676 Y681 W682 L685
BS04	CLA	A	F35 A56 H57	F24 A45 H46
BS05	CLA	A	H57 F59 V73 A76 H77 Q80 L81 I84 L85 W349 L353 N356	H46 F48 V62 A65 H66 Q69 L70 I73 L74 W338 L342 N345
BS06	CLA	A	H57 Q80 I83 I84 W87 F360 F400	H46 Q69 I72 I73 W76 F349 F389
BS07	CLA	A	W87 G90 F93 H94 F98 W119	W76 G79 F82 H83 F87 W108
BS08	CLA	A	M91 Q116 I140 T141 S142 A667 Y668	M80 Q105 I129 T130 S131 A656 Y657
BS09	CLA	A	Q116 V118 W119 V122 Q124 A667	Q105 V107 W108 V111 Q113 A656
BS10	CLA	A	I15 V17 F78 A176 F179 H180 W190	I4 V6 F67 A165 F168 H169 W179
BS11	CLA	A	T24 N25 W29 H34 K72 S75 G177 W178 Y181 H182	T13 N14 W18 H23 K61 S64 G166 W167 Y170 H171
BS12	CLA	A	K14 W190 H200 W316	K3 W179 H189 W305
BS13	CLA	A	F74 H77 F78 L81 M197 H200 H201 L205	F63 H66 F67 L70 M186 H189 H190 L194
BS14	CLA	A	G152 Q158 S161 T162 A212 W213 H216 V220 P240	G141 Q147 S150 T151 A201 W202 H205 V209 P229
BS15	CLA	A	L211 G215 H219 L244 Q247 F257 L261 Y272 L299	L200 G204 H208 L233 Q236 F246 L250 Y261 L288
BS16	CLA	A	Q158 S161 H241 L245	Q147 S150 H230 L234
BS17	CLA	A	W269 Y272 L276 H296 L299 A300 V303 N501	W258 Y261 L265 H285 L288 A289 V292 N490
BS18	CLA	A	F278 L289 D293 T294 H296 H297 I301 H370 M374 T506	F267 L278 D282 T283 H285 H286 I290 H359 M363 T495
BS19	CLA	A	G209 S210 W213 Q217 H297 H298 F305 P376 Y377	G198 S199 W202 Q206 H286 H287 F294 P365 Y366
BS20	CLA	A	H200 H310	H189 H299
BS21	CLA	A	L202 L206 L304 F305 A308 Q311 Y312 I325	L191 L195 L293 F294 A297 Q300 Y301 I314
BS22	CLA	A	H320 S328 H329	H309 S317 H318
BS23	CLA	A	V307 H310 Q311 G319 H320	V296 H299 Q300 G308 H309
BS24	CLA	A	L326 H338 L341 L426	L315 H327 L330 L415
BS25	CLA	A	F191 V194 M197 L198 H201 I322 T346 W349 Q352 I355 F360	F180 V183 M186 L187 H190 I311 T335 W338 Q341 I344 F349
BS26	CLA	A	I365 H369 V402	I354 H358 V391
BS27	CLA	A	I366 H370 A373 M374 T506 W510	I355 H359 A362 M363 T495 W499
BS28	CLA	A	W87 S142 T392 H393 W396 W740	W76 S131 T381 H382 W385 W729
BS29	CLA	A	G143 F144 F360 L363 M371 Y377 H393 H394	G132 F133 F349 L352 M360 Y366 H382 H383
BS30	CLA	A	H57 D58 L357 F400 G404 H408 I411 R572 W589	H46 D47 L346 F389 G393 H397 I400 R561 W578
BS31	CLA	A	F333 T334 R429 V430 H433 H440	F322 T323 R418 V419 H422 H429
BS32	CLA	A	H440 W443	H429 W432
BS33	CLA	A	W443 F447 F450 H451	W432 F436 F439 H440
BS34	CLA	A	F450 H451 G454 I457 H458 M462 R467	F439 H440 G443 I446 H447 M451 R456
BS35	CLA	A	H491 A494 T498	H480 A483 T487
BS36	CLA	A	T498 P500 N501	T487 P489 N490
BS37	CLA	A	H369 Y372 I487 Q488 H539 H609	H358 Y361 I476 Q477 H528 H598
BS38	CLA	A	L448 P481 V482 F483 A484 F533 H536 H537	L437 P470 V471 F472 A473 F522 H525 H526
BS39	CLA	A	L441 V444 H544	L430 V433 H533
BS40	CLA	A	I700 H704	I689 H693
BS41	CLA	A	T46 I49 W50 H704 P711 P715	T35 I38 W39 H693 P700 P704
BS42	CLA	A	F677 F681 V726 H730	F666 F670 V715 H719
BS43	CLA	A	P332 F333	P321 F322
BS44	PQN	A	M684 F685 S688 G689 W693 L718 G723	M673 F674 S677 G678 W682 L707 G712
BS45	SF4	A	C575 G577 C584	C564 G566 C573
BS46	CLA	A	L646 L650 W651	L635 L639 W640
BS47	CLA	A	F453 I457 D460 F541 W598 N601 I642 Y731	F442 I446 D449 F530 W587 N590 I631 Y720
BS48	CLA	A	N442 S445 I446 G449 F450 F541 I549 F597 W598	N431 S434 I435 G438 F439 F530 I538 F586 W587
BS49	CLA	A	A464 L465	A453 L454
BS50	CLA	A	F264 F265 L267	F253 F254 L256

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:0009507 chloroplast
• GO:0009522 photosystem I
• GO:0009535 chloroplast thylakoid membrane
• GO:0009579 thylakoid
• GO:0016020 membrane

External links

• PDB: RCSB:6sl5, PDBe:6sl5, PDBj:6sl5
• PDBsum: 6sl5
• PubMed: 32569661
• UniProt: D0FXV2