eF-site ID 4tnk-z PDB Code 4tnk Chain z click to enlarge Title RT XFEL structure of Photosystem II 250 microsec after the third illumination at 5.2 A resolution Classification ELECTRON TRANSPORT,PHOTOSYNTHESIS Compound Photosystem Q(B) protein 1 Source ORGANISM_SCIENTIFIC: Thermosynechococcus elongatus; Sequence z:  MTILFQLALAALVILSFVMVIGVPVAYASPQDWDRSKQLI FLGSGLWIALVLVVGVLNFFVV Description Functional site 1) chain z residue 19 type sequence M description binding site for residue CLA c 510 source : AR9 2) chain z residue 20 type sequence V description binding site for residue CLA c 510 source : AR9 3) chain z residue 24 type sequence P description binding site for residue CLA c 510 source : AR9 4) chain z residue 13 type sequence V description binding site for residue BCR c 513 source : AS3 5) chain z residue 59 type sequence F description binding site for residue LMG c 518 source : AS8 6) chain z residue 55 type sequence G description binding site for residue BCR c 521 source : AT2 7) chain z residue 13 type sequence V description binding site for residue BCR g 101 source : AW3 8) chain z residue 17 type sequence F description binding site for residue BCR g 101 source : AW3 9) chain z residue 59-62 type TOPO_DOM sequence FFVV description Lumenal => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ source Swiss-Prot : SWS_FT_FI4 10) chain z residue 5-25 type TRANSMEM sequence FQLALAALVILSFVMVIGVPV description Helical => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ source Swiss-Prot : SWS_FT_FI2 11) chain z residue 37-58 type TRANSMEM sequence KQLIFLGSGLWIALVLVVGVLN description Helical => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ source Swiss-Prot : SWS_FT_FI2 12) chain z residue 26-36 type TOPO_DOM sequence AYASPQDWDRS description Cytoplasmic => ECO:0000269|PubMed:33846594, ECO:0007744|PDB:7NHQ source Swiss-Prot : SWS_FT_FI3 13) chain z residue 1 type MOD_RES sequence M description N-formylmethionine => ECO:0000269|PubMed:19219048, ECO:0000269|PubMed:20558739 source Swiss-Prot : SWS_FT_FI5 14) chain z residue 1-4 type TOPO_DOM sequence MTIL description Lumenal source Swiss-Prot : SWS_FT_FI1

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