Structure of PDB 5zf0 Chain A1

Receptor sequence

>5zf0A1 (length=740) Species: 197221 (Thermosynechococcus vestitus BP-1)

RVVVDNDPVPTSFEKWAKPGHFDRTLARGPQTTTWIWNLHALAHDFDTHT
SDLEDISRKIFSAHFGHLAVVFIWLSGMYFHGAKFSNYEAWLADPTGIKP
SAQVVWPIVGQGILNGDVGGGFHGIQITSGLFQLWRASGITNEFQLYCTA
IGGLVMAGLMLFAGWFHYHKRAPKLEWFQNVESMLNHHLAGLLGLGSLAW
AGHQIHVSLPINKLLDAGVAAKDIPLPHEFILNPSLMAELYPKVDWGFFS
PFFTFNWAAYSDFLTFNGGLNPVTGGLWLSDTAHHHLAIAVLFIIAGHMY
RTNWGIGHSLKEILEAHKGPFTGAGHKGLYEVLTTSWHAQLAINLAMMGS
LSIIVAQHMYAMPPYPYLATDYPTQLSLFTHHMWIGGFLVVGGAAHGAIF
MVRDYDPAMNQNNVLDRVLRHRDAIISHLNWVCIFLGFHSFGLYVHNDTM
RAFGRPQDMFSDTGIQLQPVFAQWVQNLHTLAPGGTAPNAAATASVAFGG
DVVAVGGKVAMMPIVLGTADFMVHHIHAFTIHVTVLILLKGVLFARSSRL
IPDKANLGFRFPCDGPGRGGTCQVSGWDHVFLGLFWMYNCISVVIFHFSW
KMQSDVWGTVAPDGTVSHITGGNFAQSAITINGWLRDFLWAQASQVIGSY
GSALSAYGLLFLGAHFIWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAP
AIQPRALSIIQGRAVGVAHYLLGGIATTWAFFLARIISVG

3D structure

• PDB: 5zf0 X-ray structure of an asymmetrical trimeric ferredoxin-photosystem I complex
• Chain: A1
• Resolution: 4.2 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	CLA	A1	Y459 Y603 N604 S607 F611 W649 L654 F676 H680 W683 Y735 T742 T743 F746	Y444 Y588 N589 S592 F596 W634 L639 F661 H665 W668 Y720 T727 T728 F731
BS02	CLA	A1	P31 I48 L51 H52	P19 I36 L39 H40
BS03	CLA	A1	W28 H33 F34 A55 H56 G78	W16 H21 F22 A43 H44 G66
BS04	CLA	A1	H56 F58 I72 A75 H76 H79 V83 F84 W352 H353 Q355 L356 N359	H44 F46 I60 A63 H64 H67 V71 F72 W337 H338 Q340 L341 N344
BS05	CLA	A1	H56 H79 W86	H44 H67 W74
BS06	CLA	A1	W86 G89 F92 H93 F97 W118	W74 G77 F80 H81 F85 W106
BS07	CLA	A1	W86 M90 Q115 I139 T140 S141 Y672	W74 M78 Q103 I127 T128 S129 Y657
BS08	CLA	A1	Q115 V117 W118 Q123	Q103 V105 W106 Q111
BS09	CLA	A1	F77 L171 A175 F178 H179 R183 W189	F65 L159 A163 F166 H167 R171 W177
BS10	CLA	A1	T23 S24 K27 W28 H33 K71 L173 G176 W177 Y180 H181	T11 S12 K15 W16 H21 K59 L161 G164 W165 Y168 H169
BS11	CLA	A1	R13 W189 H199 N318	R1 W177 H187 N303
BS12	CLA	A1	F73 H76 F77 W189 F190 M196 H199 H200	F61 H64 F65 W177 F178 M184 H187 H188
BS13	CLA	A1	G151 I152 Q157 T161 A211 W212 H215 V219 P239	G139 I140 Q145 T149 A199 W200 H203 V207 P227
BS14	CLA	A1	G214 I217 H218 W258 G259 F260 F261 Y275	G202 I205 H206 W246 G247 F248 F249 Y260
BS15	CLA	A1	F156 H240 L244	F144 H228 L232
BS16	CLA	A1	W272 L279 H299 L302 A303 V306 N504	W257 L264 H284 L287 A288 V291 N489
BS17	CLA	A1	F281 D296 T297 H299 H300 H373 M377 A509	F266 D281 T282 H284 H285 H358 M362 A494
BS18	CLA	A1	L205 G208 S209 W212 H300 H301 L366 V370 P379 Y380	L193 G196 S197 W200 H285 H286 L351 V355 P364 Y365
BS19	CLA	A1	H199 A202 G203 H313 T317 W319	H187 A190 G191 H298 T302 W304
BS20	CLA	A1	L201 A311 M314 Y315 L325 I328 L329	L189 A296 M299 Y300 L310 I313 L314
BS21	CLA	A1	I310 H313 M314 G322 H323	I295 H298 M299 G307 H308
BS22	CLA	A1	H323 A331 H332	H308 A316 H317
BS23	CLA	A1	L329 H332 H341 V429 L430	L314 H317 H326 V414 L415
BS24	CLA	A1	F190 V193 L197 H200 L348 S351 W352 I358 N359 M363	F178 V181 L185 H188 L333 S336 W337 I343 N344 M348
BS25	CLA	A1	I368 I369 Q372 V405 I546 V550	I353 I354 Q357 V390 I531 V535
BS26	CLA	A1	M362 I369 H373 Y375 M377 F513	M347 I354 H358 Y360 M362 F498
BS27	CLA	A1	W86 M90 S141 S392 T395 H396 W399 L675 I740 W744	W74 M78 S129 S377 T380 H381 W384 L660 I725 W729
BS28	CLA	A1	G142 L146 M363 M374 Y380 L393 H396 H397 I400	G130 L134 M348 M359 Y365 L378 H381 H382 I385
BS29	CLA	A1	A53 H56 L356 L360 G407 H411 R418 R575 W592	A41 H44 L341 L345 G392 H396 R403 R560 W577
BS30	CLA	A1	F336 T337 V429 R432 V433 H436 I440 H443	F321 T322 V414 R417 V418 H421 I425 H428
BS31	CLA	A1	W446 F450 H454	W431 F435 H439
BS32	CLA	A1	H494 A497 T501	H479 A482 T486
BS33	CLA	A1	F281 T501 P503 N504	F266 T486 P488 N489
BS34	CLA	A1	Q372 Y375 A487 V490 Q491 F513 I529 H539 H542 V609 H612 F613	Q357 Y360 A472 V475 Q476 F498 I514 H524 H527 V594 H597 F598
BS35	CLA	A1	F450 L451 P484 F486 A487 F536 H539 H540	F435 L436 P469 F471 A472 F521 H524 H525
BS36	CLA	A1	L444 V447 H547	L429 V432 H532
BS37	CLA	A1	T45 I48 W49 H708 P715 P719	T33 I36 W37 H693 P700 P704
BS38	CLA	A1	F685 V730 H734	F670 V715 H719
BS39	CLA	A1	W446 I449	W431 I434
BS40	CLA	A1	F268 F270	F253 F255
BS41	PQN	A1	M688 F689 S692 R694 W697 A721 L722 G727	M673 F674 S677 R679 W682 A706 L707 G712
BS42	SF4	A1	P577 C578 C587 I724	P562 C563 C572 I709
BS43	CLA	A1	F456 D463 F544 W601 N604 I646 W683 Y735	F441 D448 F529 W586 N589 I631 W668 Y720
BS44	CLA	A1	A684 F685 M688 Y696	A669 F670 M673 Y681
BS45	CLA	A1	I704 H708	I689 H693
BS46	CLA	A1	L650 W655	L635 W640
BS47	CLA	A1	L674 L677 G678 H680 F681 A684	L659 L662 G663 H665 F666 A669
BS48	CLA	A1	N445 C448 I449 G452 F453 F456 F544 L551 I552 F600 W601	N430 C433 I434 G437 F438 F441 F529 L536 I537 F585 W586
BS49	CLA	A1	A467 F468	A452 F453
BS50	CLA	A1	H443 W446	H428 W431
BS51	CLA	A1	F453 G457 H461 M465 R470 D473 F475	F438 G442 H446 M450 R455 D458 F460
BS52	CLA	A1	H332 K333 P335 F336	H317 K318 P320 F321

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

External links

• PDB: RCSB:5zf0, PDBe:5zf0, PDBj:5zf0
• PDBsum: 5zf0
• PubMed: 29610537
• UniProt: P0A405|PSAA_THEVB Photosystem I P700 chlorophyll a apoprotein A1 (Gene Name=psaA)