Structure of PDB 6kmw Chain bA

Receptor sequence

>6kmwbA (length=721) Species: 1641165 (Halomicronema hongdechloris C2206)

TTTWIWDLHADAHDFDSHTSDLEDISRKIFSAHFGHLAVIFIWLSGMYFH
GAKFSNYEAWLSNPTGIKPSAQVVWPIFGQEILNGDVGGGFHGIQITSGL
FQMWRANGITNSFELYCTAIGALVMAGLMLFAGWFHYHKKAPKLEWFQNV
ESMMNHHLAGLLGLGCLGYAGQQIHVSLPINACLDAIDAGKPLTVGGKVI
DSVAAIPLPHEWILNPSLMTDIYPSFAEGLKPFFTLNWSVYADFLTFNGG
LNPQTGGLWLTDTAHHHLALAVLFIVAGHFYRTNWGIGHSFKEVLEAHKG
PVTGEGHKGMYEIFTTSWHCQLSWNLAWIGSLSILVAHHMYSMPPYPYIA
TDYPTQLSLFTHHMWIGGFLIVGAGAHAAIFMVRDYDPATHINNLLDRVI
RHRDAIISHLNWVCIFLGFHSFGLYVHNDTMRAFGRPQDMFSDTGIQLQP
VFAQWVQNLHAAAAGGTAPNAAAGVSPAFGGDILAVVGKVAMMPITLGTA
DFLVHHIHAFTIHVTVLILLKGVLFARNSRLIPDKGELGFRFPCDGPGRG
GTCQVSGWDHVFLGLFWMYNSLSIVIFHFSWKMQSDVWGSVSPDGSVSHI
TAGNFAQSAITINGWLRDFLWAQASQVIGSYGSALSAYGLLFLGAHFVWA
FSLMFLFSGRGYWQELIESIVWAHNKLKVAPAIQPRALSITQGRAVGVAH
FLLGGIATTWAFFLARIIAVG

3D structure

• PDB: 6kmw Structural basis for the adaptation and function of chlorophyll f in photosystem I.
• Chain: bA
• Resolution: 2.35 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	bA	Y468 I550 Y612 N613 I617 F620 W658 L663 F685 H689 W692 T751 T752 F755	Y425 I507 Y569 N570 I574 F577 W615 L620 F642 H646 W649 T708 T709 F712
BS02	CLA	bA	I48 H52	I5 H9
BS03	CLA	bA	A55 H56 F58 G78	A12 H13 F15 G35
BS04	CLA	bA	H56 F58 I72 H76 H79 I83 F84 W361 H362 Q364 L365 N368	H13 F15 I29 H33 H36 I40 F41 W318 H319 Q321 L322 N325
BS05	CLA	bA	H56 H79 V82 W86 L413	H13 H36 V39 W43 L370
BS06	CLA	bA	W86 G89 F92 H93 F97 W118	W43 G46 F49 H50 F54 W75
BS07	CLA	bA	M90 Q115 I139 T140 S141 Y681	M47 Q72 I96 T97 S98 Y638
BS08	CLA	bA	Q115 W118 I120 Q123 L126 A680	Q72 W75 I77 Q80 L83 A637
BS09	CLA	bA	F77 A175 F178 H179 W189	F34 A132 F135 H136 W146
BS10	CLA	bA	K71 S74 G176 W177 Y180 H181	K28 S31 G133 W134 Y137 H138
BS11	CLA	bA	W189 N192 S195 H199 W328	W146 N149 S152 H156 W285
BS12	CLA	bA	F73 H76 F77 F84 W189 F190 S195 M196 H199 H200 L204	F30 H33 F34 F41 W146 F147 S152 M153 H156 H157 L161
BS13	CLA	bA	N150 G151 E157 T161 G211 Y212 Q215 H218 V219 P252	N107 G108 E114 T118 G168 Y169 Q172 H175 V176 P209
BS14	CLA	bA	L210 G214 I217 H218 I256 P259 F269 L273	L167 G171 I174 H175 I213 P216 F226 L230
BS15	CLA	bA	F156 C160 H253 L257	F113 C117 H210 L214
BS16	CLA	bA	W281 S282 L288 T289 H308 L311 A312 V315 N513	W238 S239 L245 T246 H265 L268 A269 V272 N470
BS17	CLA	bA	F290 G292 L301 D305 T306 H308 H309 A312 L313 H382 M386 V518	F247 G249 L258 D262 T263 H265 H266 A269 L270 H339 M343 V475
BS18	CLA	bA	G208 C209 Y212 H309 H310 L313 F317 L375 P388 Y389	G165 C166 Y169 H266 H267 L270 F274 L332 P345 Y346
BS19	CLA	bA	N198 H199 H322 T326 W328	N155 H156 H279 T283 W285
BS20	CLA	bA	M197 L201 L205 A320 F323 Y324 V337	M154 L158 L162 A277 F280 Y281 V294
BS21	CLA	bA	V319 H322 F323 I330 G331 H332	V276 H279 F280 I287 G288 H289
BS22	CLA	bA	H332 E336 V337 A340 H341	H289 E293 V294 A297 H298
BS23	CLA	bA	H350 M353 L438 V442 L563	H307 M310 L395 V399 L520
BS24	CLA	bA	L65 V193 M196 M197 H200 F334 F357 T358 W361 Q364 W367 N368 W371 I372	L22 V150 M153 M154 H157 F291 F314 T315 W318 Q321 W324 N325 W328 I329
BS25	CLA	bA	I377 L378 H381 I414 I555 T558 V559 S614	I334 L335 H338 I371 I512 T515 V516 S571
BS26	CLA	bA	W371 L378 H381 H382 S385 M386 V518 F522	W328 L335 H338 H339 S342 M343 V475 F479
BS27	CLA	bA	W86 S141 S401 T404 H405 W408 I749 W753	W43 S98 S358 T361 H362 W365 I706 W710
BS28	CLA	bA	W86 G142 M146 S376 M383 Y389 L402 H405 H406 I409	W43 G99 M103 S333 M340 Y346 L359 H362 H363 I366
BS29	CLA	bA	H52 H56 D57 L365 L369 G416 H420 I423 R584 W601	H9 H13 D14 L322 L326 G373 H377 I380 R541 W558
BS30	CLA	bA	T346 L438 R441 V442 H445 H452	T303 L395 R398 V399 H402 H409
BS31	CLA	bA	H452 W455	H409 W412
BS32	CLA	bA	W455 I458 F459 F462 H463	W412 I415 F416 F419 H420
BS33	CLA	bA	F462 G466 L467 V469 H470 M474 R479 D482 F484	F419 G423 L424 V426 H427 M431 R436 D439 F441
BS34	CLA	bA	L502 H503 A506 T510	L459 H460 A463 T467
BS35	CLA	bA	F290 T510 P512 N513	F247 T467 P469 N470
BS36	CLA	bA	H381 Y384 A496 V499 Q500 F522 I538 H548 H551 V618 H621 K625	H338 Y341 A453 V456 Q457 F479 I495 H505 H508 V575 H578 K582
BS37	CLA	bA	L460 P493 V494 F495 A496 F545 H548 H549 A552	L417 P450 V451 F452 A453 F502 H505 H506 A509
BS38	CLA	bA	L453 H556 V559	L410 H513 V516
BS39	CLA	bA	I713 H717 V722	I670 H674 V679
BS40	CLA	bA	T45 W49 H717 V722 P724 P728	T2 W6 H674 V679 P681 P685
BS41	CLA	bA	W49 F690 F694 A738 V739 A742 H743 L746	W6 F647 F651 A695 V696 A699 H700 L703
BS42	CLA	bA	W455 I458	W412 I415
BS43	CLA	bA	F277 L279	F234 L236
BS44	PQN	bA	M697 F698 S701 R703 W706 A730 L731	M654 F655 S658 R660 W663 A687 L688
BS45	SF4	bA	C587 G589 P590 C596	C544 G546 P547 C553
BS46	CLA	bA	K342 P344	K299 P301
BS47	CLA	bA	K719 L720	K676 L677
BS48	CLA	bA	F465 V469 F553 W610 N613 I655 W692	F422 V426 F510 W567 N570 I612 W649
BS49	CLA	bA	F690 A693 F694 L696 M697 Y705 W706	F647 A650 F651 L653 M654 Y662 W663
BS50	CLA	bA	L659 L663 W664	L616 L620 W621
BS51	CLA	bA	L683 L686 H689 F690 A693	L640 L643 H646 F647 A650
BS52	CLA	bA	N454 C457 I458 G461 F462 F553 L560 I561 F609 W610	N411 C414 I415 G418 F419 F510 L517 I518 F566 W567
BS53	CLA	bA	T473 A476 F477	T430 A433 F434

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:6kmw, PDBe:6kmw, PDBj:6kmw
• PDBsum: 6kmw
• PubMed: 31932639
• UniProt: A0A1Z3HRW4