9I9L

Structure of Far-Red Photosystem I from C. thermalis PCC 7203

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, M, Y (A, N, a)	Photosystem I P700 chlorophyll a apoprotein A1	polymer	782	86382.4	3	UniProt (K9TWJ0) Pfam (PF00223)	Chroococcidiopsis thermalis PCC 7203	PsaA
2	B, N, Z (B, O, b)	Photosystem I P700 chlorophyll a apoprotein A2	polymer	740	83304.7	3	UniProt (K9TVF3) Pfam (PF00223)	Chroococcidiopsis thermalis PCC 7203	PsaB
3	AA, C, O (C, P, c)	Photosystem I iron-sulfur center	polymer	81	8839.2	3	UniProt (K9TVB5) Pfam (PF12838)	Chroococcidiopsis thermalis PCC 7203	9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
4	BA, D, P (D, Q, d)	Photosystem I reaction center subunit II	polymer	142	15798.0	3	UniProt (K9U6S7) Pfam (PF02531)	Chroococcidiopsis thermalis PCC 7203
5	CA, E, Q (E, R, e)	Photosystem I reaction center subunit IV	polymer	66	7634.7	3	UniProt (K9TYF8) Pfam (PF02427)	Chroococcidiopsis thermalis PCC 7203
6	DA, F, R (F, S, f)	Photosystem I reaction center subunit III	polymer	161	17859.7	3	UniProt (K9TZX8) Pfam (PF02507)	Chroococcidiopsis thermalis PCC 7203	PSI-F
7	EA, G, S (I, T, g)	Photosystem I reaction center subunit VIII	polymer	51	5879.9	3	UniProt (K9TVX2)	Chroococcidiopsis thermalis PCC 7203
8	FA, H, T (J, U, h)	Photosystem I reaction center subunit IX	polymer	46	5297.4	3	UniProt (K9TYS7) Pfam (PF01701)	Chroococcidiopsis thermalis PCC 7203
9	GA, I, U (K, V, i)	Photosystem I reaction center subunit PsaK	polymer	80	8201.7	3	UniProt (K9TX25) Pfam (PF01241)	Chroococcidiopsis thermalis PCC 7203
10	HA, J, V (L, W, j)	Photosystem I reaction center subunit XI	polymer	183	19726.3	3	UniProt (K9TX29) Pfam (PF02605)	Chroococcidiopsis thermalis PCC 7203	PSI subunit V,PSI-L
11	IA, K, W (M, Y, k)	Photosystem I reaction center subunit XII	polymer	32	3540.3	3	UniProt (K9TSY6) Pfam (PF07465)	Chroococcidiopsis thermalis PCC 7203	PSI-M
12	JA, L, X (X, Z, l)	Photosystem one PsaX	polymer	29	3199.9	3	UniProt (K9TUG4) Pfam (PF08078)	Chroococcidiopsis thermalis PCC 7203
13	KA, QF, UK (A, N, a)	CHLOROPHYLL A ISOMER	non-polymer		893.5	3	Chemie (CL0)
14	AE, AJ, CF, CO, FF... (B, O, L, b, W...)	Chlorophyll F	non-polymer		905.5	24	Chemie (F6C)
15	AB, AD, AF, AG, AH... (A, B, K, N, O...)	CHLOROPHYLL A	non-polymer		893.5	246	Chemie (CLA)
16	AC, CE, GH, JJ, KM... (A, B, N, O, a...)	PHYLLOQUINONE	non-polymer		450.7	6	Chemie (PQN)
17	BC, HH, LM, NE, OE... (A, N, a, C, P...)	IRON/SULFUR CLUSTER	non-polymer		351.6	9	Chemie (SF4)
18	AK, AP, BK, BP, CC... (U, g, A, B, V...)	BETA-CAROTENE	non-polymer		536.9	66	Chemie (BCR)
19	IC, JF, ME, MK, OF... (A, L, B, W, X...)	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	15	Chemie (LHG)
20	JC, KC, LC, PH, QH... (A, N, a)	DODECYL-BETA-D-MALTOSIDE	non-polymer		510.6	9	Chemie (LMT)
21	CK, CP, FP, IF, JE... (U, g, h, L, B...)	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE	non-polymer		787.2	15	Chemie (LMG)
22	KE, KF, NK, QP, SJ... (B, L, W, j, O...)	EICOSANE	non-polymer		282.5	6	Chemie (LFA)
23	MF, PK, RP (L, W, j)	CALCIUM ION	non-polymer		40.1	3	Chemie (CA)
24	AQ, BQ, CQ, DQ, EQ... (E, F, I, K, L...)	water	water		18.0	405	Chemie (HOH)

Sequence modifications

K, V, i: 13 - 91 (UniProt: K9TX25)

PDB	External Database	Details
Met 12	-	initiating methionine

M, Y, k: 1 - 31 (UniProt: K9TSY6)

PDB	External Database	Details
Met 0	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	36
	Total formula weight	796993.1
Non-Polymers*	Number of molecules	402
	Total formula weight	314575.3
All*	Total formula weight	1111568.4

*Water molecules are not included.