3PRX: Complement C5

Structure of Complement C5 in Complex with CVF and SSL7. Determined by X-ray diffraction at 4.3 Å resolution. Released 19 Jan 2011.

Method
X-ray diffraction
Resolution
4.3 Å
Organisms
Homo sapiens, Naja kaouthia, Staphylococcus aureus
Chains
6
Atoms
48,236
Mol. weight
800.65 kDa
Ligands
NAG
Released
19 Jan 2011

Explore 3PRX in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3PRX contains 138 α-helices and 486 β-strands across 6 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 38 helices, 118 β-strands

ElementResiduesLengthSheet
β-strand23-2861
β-strand31-3222
β-strand37-4371
β-strand50-5783
β-strand65-7393
β-strand81-8551
β-strand102-10873
β-strand112-11763
β-strand119-12022
β-strand125-13064
β-strand134-13525
β-strand140-14894
β-strand159-16465
β-strand170-17675
β-strand182-18984
β-strand197-20595
β-strand212-21985
β-strand221-22226
β-strand228-23367
β-strand237-23828
α-helix240-2423
β-strand246-25387
β-strand25917
β-strand262-26327
β-strand264-27298
β-strand281-28228
β-strand292-29327
β-strand296-30167
α-helix303-3075
α-helix309-3113
α-helix316-3183
β-strand322-33098
β-strand338-34258
β-strand346-34728
β-strand352-35659
β-strand362-363210
β-strand368-377109
β-strand38219
β-strand387-3961010
β-strand401-4101010
β-strand417-42379
β-strand428-4371010
β-strand449-456810
α-helix457-4582
β-strand466-469411
β-strand481-487711
β-strand498-505812
β-strand508-516912
β-strand524-529611
α-helix532-5343
β-strand538-545812
β-strand554-561812
β-strand572-575413
β-strand582114
β-strand587-593713
β-strand599-601315
β-strand604-606316
α-helix607-6104
α-helix622-6265
β-strand637112
α-helix642-6476
β-strand651-65331
α-helix681-6899
α-helix698-7014
α-helix711-7155
α-helix722-73817
β-strand764-76526
β-strand773116
β-strand777-779315
β-strand783-789713
β-strand796-799416
β-strand802117
β-strand803115
β-strand805118
β-strand808118
β-strand811117
β-strand815-818416
β-strand819114
β-strand823-828619
β-strand833-834220
β-strand835121
β-strand837121
β-strand840-847819
β-strand853-859722
β-strand874123
β-strand879123
β-strand886-888322
β-strand892-899819
β-strand910-916722
β-strand919-925722
β-strand929-930220
β-strand935124
β-strand942-944325
β-strand945-950626
β-strand952-954326
β-strand956-959427
β-strand967128
α-helix9681
β-strand974-980725
α-helix985-9928
α-helix1009-10135
α-helix1016-10249
α-helix1025-10295
α-helix1031-10333
α-helix1038-105720
β-strand1060129
β-strand1066129
β-strand1067130
β-strand1074130
α-helix1076-108914
α-helix1097-111014
β-strand1112131
β-strand1118131
α-helix1133-115523
α-helix1156-11583
α-helix1162-117918
α-helix1185-119612
α-helix1203-121311
β-strand1217-1219332
β-strand1225-1227332
α-helix1245-126117
α-helix1264-12674
α-helix1268-12758
α-helix12791
α-helix1288-130316
α-helix1306-13083
β-strand1311-1317727
β-strand1322-1328727
α-helix1336-13383
β-strand1339-1340225
β-strand1346-1350527
β-strand1357-1364825
β-strand1365124
β-strand1367128
β-strand1377-1384833
β-strand1400-1408933
β-strand1422-1425434
α-helix1427-14293
β-strand1432-1434333
α-helix1436-14449
β-strand1453-1456434
β-strand1459-1464634
β-strand1473-1481933
β-strand1491-1497734
β-strand1500-15091034
α-helix1542-15454
β-strand1559-15711335
β-strand1574-1580735
β-strand1586135
β-strand1597-1601535
β-strand1616-1621635
β-strand1626-1627236
β-strand1634-1635236
β-strand1636-1637235
β-strand1645-1647335
α-helix1657-167317
Chain B: 26 helices, 105 β-strands
ElementResiduesLengthSheet
β-strand24-30737
β-strand32-34338
β-strand39-40239
β-strand42-46537
β-strand52-60938
β-strand67-75938
β-strand82-83237
β-strand86-87239
α-helix91-933
β-strand103-110838
β-strand113-1221038
β-strand128-132540
β-strand136-137241
β-strand142-144342
β-strand145-149540
β-strand161-166641
β-strand172-178741
β-strand185-187342
β-strand195-203941
β-strand206-2161141
β-strand224-230743
β-strand234-236344
β-strand243-251943
β-strand256143
β-strand259-2691144
β-strand272-275444
α-helix277-2793
β-strand281-285544
β-strand286143
β-strand289-294643
α-helix296-3027
α-helix306-3083
β-strand312-3221144
β-strand328-3391244
β-strand344-346345
β-strand353-354246
β-strand360-367845
β-strand373145
β-strand378-381447
α-helix382-3843
β-strand386-389447
β-strand395-400645
β-strand410-414547
β-strand427-431547
α-helix4321
β-strand433-434246
α-helix4351
α-helix438-4403
β-strand444-449648
β-strand454149
β-strand459-467948
α-helix470-4734
β-strand478-485850
β-strand488-496950
β-strand503-509748
α-helix512-5143
β-strand517-5261050
β-strand530-5391050
β-strand540149
α-helix5411
β-strand548-551451
β-strand557152
β-strand562-569851
β-strand574-581853
α-helix582-5876
α-helix595-6039
β-strand612150
α-helix617-6237
β-strand626-630537
β-strand635137
α-helix636-6394
β-strand748154
β-strand754-761853
β-strand772-779851
β-strand786-794953
β-strand800-802353
β-strand804151
β-strand806-809453
β-strand810152
β-strand814-817455
β-strand824-825254
β-strand830-838955
β-strand844-850754
α-helix851-8522
β-strand856-858355
β-strand867-872654
β-strand876-8861155
β-strand890-9001154
β-strand906-9161154
β-strand920-9301156
β-strand940-945657
β-strand953156
β-strand959-9681056
β-strand1275-1280657
β-strand1288-1292557
β-strand1301-1305556
β-strand1311-1317757
β-strand1320-13311256
β-strand1343-1350858
β-strand1362-13711058
α-helix13761
β-strand1377-1385959
α-helix1386-13872
β-strand1390-1392358
β-strand1393160
α-helix1394-14018
β-strand1406-1407259
β-strand1413-1414260
β-strand1417-1418260
β-strand1422-1430959
β-strand1436-1444958
β-strand1454-1460759
β-strand1463-14721059
β-strand1473161
β-strand1476161
α-helix1480-14823
β-strand1484-1486362
β-strand1489-1491362
α-helix1508-15158
β-strand1522-15341363
β-strand1537-15491363
β-strand1561-1566663
α-helix1567-15693
α-helix1570-15734
β-strand1580-1585663
α-helix1587-15893
β-strand1590-1591263
β-strand1597-1600463
β-strand1606-1609463
α-helix1615-16173
α-helix1622-163615
Chain C: 39 helices, 122 β-strands
ElementResiduesLengthSheet
β-strand23-28664
β-strand31-32265
β-strand37-43764
β-strand52-57666
β-strand65-71766
β-strand81-85564
β-strand102-108766
β-strand112-117666
β-strand119-120265
β-strand125-130667
β-strand134-135268
β-strand140-148967
β-strand159-165768
β-strand169-176868
β-strand182-189867
β-strand197-205968
β-strand212-219868
β-strand221-222269
β-strand228-233670
β-strand237-238271
α-helix240-2423
β-strand246-253870
β-strand259170
β-strand262-263270
β-strand264-272971
β-strand281-282271
β-strand292-293270
β-strand296-301670
α-helix303-3075
α-helix309-3113
α-helix316-3183
β-strand322-330971
β-strand338-342571
β-strand346-347271
β-strand352-356572
β-strand362-363273
β-strand369-377972
β-strand382172
β-strand387-3961073
β-strand401-4101073
β-strand417-422672
β-strand428-4371073
β-strand449-456873
α-helix457-4582
β-strand466-469474
β-strand478175
β-strand480175
β-strand481-487774
β-strand498-505876
β-strand508-516976
β-strand524-529674
α-helix532-5343
β-strand538-546976
β-strand553-561976
β-strand572-575477
β-strand582178
β-strand587-593777
β-strand599-601379
β-strand604-606380
α-helix607-6104
α-helix622-6265
β-strand637176
α-helix642-6476
β-strand651-653364
α-helix681-6899
α-helix698-7014
α-helix711-7155
α-helix722-73817
β-strand764-765269
β-strand773180
β-strand777-779379
β-strand783-789777
β-strand796-799480
β-strand802181
β-strand803179
β-strand805182
β-strand808182
β-strand811181
β-strand815-818480
β-strand819178
β-strand823-828683
β-strand833-834284
β-strand835185
β-strand837185
β-strand840-847883
β-strand853-859786
β-strand865-866287
β-strand874188
β-strand879188
β-strand886-888386
β-strand892-899883
β-strand901-902287
β-strand910-916786
β-strand919-925786
β-strand929-930284
β-strand935189
β-strand942-944390
β-strand945191
β-strand954191
β-strand956-959492
β-strand967193
α-helix9681
β-strand974-980790
α-helix985-9928
α-helix993-9953
α-helix1009-10135
α-helix1016-10249
α-helix1025-10295
α-helix1031-10333
α-helix1038-105720
β-strand1060194
β-strand1066194
β-strand1067195
β-strand1074195
α-helix1076-108914
α-helix1097-111014
β-strand1112196
β-strand1118196
α-helix1133-115523
α-helix1156-11583
α-helix1162-117918
α-helix1185-119612
α-helix1203-121311
β-strand1217-1219397
β-strand1225-1227397
α-helix1245-126117
α-helix1264-127512
α-helix12791
α-helix1288-130316
α-helix1306-13083
β-strand1311-1317792
β-strand1322-1328792
α-helix1336-13383
β-strand1339-1340290
β-strand1346-1350592
β-strand1357-1364890
β-strand1365189
β-strand1367193
β-strand1377-1384898
β-strand1400-1408998
β-strand1422-1425499
α-helix1427-14293
β-strand1432-1434398
α-helix1436-14449
β-strand1453-1456499
β-strand1459-1464699
β-strand1473-1481998
β-strand1491-1497799
β-strand1500-15091099
α-helix1542-15454
β-strand1559-157113100
β-strand1574-15807100
β-strand15861100
β-strand1597-16015100
α-helix1611-16122
β-strand1616-16216100
β-strand16261101
β-strand16351101
β-strand1636-16372100
β-strand1645-16473100
α-helix1657-167317
Chain D: 27 helices, 109 β-strands
ElementResiduesLengthSheet
β-strand24-307102
β-strand32-343103
β-strand39-402104
β-strand42-465102
β-strand52-609103
β-strand67-759103
β-strand82-832102
β-strand86-872104
α-helix91-933
β-strand103-1108103
β-strand113-12210103
β-strand128-1325105
β-strand136-1372106
β-strand142-1443107
β-strand145-1495105
β-strand161-1666106
β-strand172-1787106
β-strand185-1873107
β-strand195-2039106
β-strand206-21611106
β-strand224-2307108
β-strand234-2363109
β-strand243-2519108
β-strand2561108
β-strand259-26911109
β-strand272-2754109
α-helix277-2793
β-strand281-2855109
β-strand2861108
β-strand289-2946108
α-helix296-3027
α-helix306-3083
β-strand312-32211109
β-strand328-33912109
β-strand345-3462110
β-strand353-3542111
β-strand360-3667110
β-strand3671112
β-strand3731112
β-strand378-3814113
α-helix382-3843
β-strand386-3894113
β-strand395-4006110
β-strand410-4145113
β-strand427-4315113
α-helix4321
β-strand433-4342111
α-helix4351
α-helix438-4403
β-strand444-4496114
β-strand4541115
β-strand459-4679114
α-helix470-4734
β-strand478-4858116
β-strand488-4969116
β-strand503-5097114
α-helix512-5143
β-strand517-52610116
β-strand530-53910116
β-strand5401115
α-helix5411
β-strand548-5514117
β-strand5571118
β-strand562-5643119
β-strand566-5694117
β-strand574-5818120
α-helix582-5876
α-helix595-6039
β-strand6121116
α-helix617-6237
β-strand626-6305102
β-strand6351102
α-helix636-6394
α-helix742-7443
β-strand7481121
β-strand754-7618120
β-strand772-7743117
β-strand777-7793119
β-strand786-7949120
β-strand800-8023120
β-strand8041117
β-strand806-8094120
β-strand8101118
β-strand814-8174122
β-strand824-8252121
β-strand830-8389122
β-strand844-8507121
α-helix851-8522
β-strand856-8583122
β-strand867-8726121
β-strand876-88611122
β-strand890-90011121
β-strand906-91611121
β-strand920-93011123
β-strand940-9456124
β-strand9531123
β-strand959-96810123
β-strand1275-12806124
β-strand1288-12925124
β-strand1301-13055123
β-strand1311-13177124
β-strand1320-133112123
β-strand1343-13508125
β-strand1362-137110125
α-helix13761
β-strand1377-13859126
α-helix1386-13872
β-strand1390-13923125
β-strand13931127
α-helix1394-14018
β-strand1406-14072126
β-strand1413-14142127
β-strand1417-14182127
β-strand1422-14309126
β-strand1436-14449125
β-strand1454-14607126
β-strand1463-147210126
β-strand14731128
β-strand14761128
α-helix1480-14823
β-strand1484-14863129
β-strand1489-14913129
α-helix1508-15158
β-strand1522-153413130
β-strand1537-154913130
β-strand1561-15666130
α-helix1567-15693
α-helix1570-15734
β-strand1580-15856130
α-helix1587-15893
β-strand1590-15912130
β-strand1597-16004130
β-strand1606-16072130
β-strand16101130
α-helix1615-16173
α-helix1622-163615
Chains X and Y: 4 helices, 16 β-strands
ElementResiduesLengthSheet
α-helix44-518
β-strand54-607131
β-strand631132
β-strand83-853133
β-strand971132
β-strand101-1066131
β-strand109-1102133
β-strand116-1194133
β-strand122-1232131
β-strand132-1421112
β-strand145-1551112
β-strand159-1613134
α-helix162-17615
β-strand186-194912
β-strand197-199312
β-strand202112
α-helix209-2135
β-strand215-2173134
α-helix218-2203
β-strand223-229712

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Complement C5A, Cprotein1676Homo sapiensP01031 (AlphaFold model)
Cobra venom factorB, Dprotein1642Naja kaouthiaQ91132 (AlphaFold model)
Superantigen-like protein 7X, Yprotein231Staphylococcus aureusD3JIB2 (AlphaFold model)
Sequence of entity 1 (A, C), FASTA
>3PRX_1 Complement C5 (chains A, C)
MGLLGILCFLIFLGKTWGQEQTYVISAPKIFRVGASENIVIQVYGYTEAFDATISIKSYP
DKKFSYSSGHVHLSSENKFQNSAILTIQPKQLPGGQNPVSYVYLEVVSKHFSKSKRMPIT
YDNGFLFIHTDKPVYTPDQSVKVRVYSLNDDLKPAKRETVLTFIDPEGSEVDMVEEIDHI
GIISFPDFKIPSNPRYGMWTIKAKYKEDFSTTGTAYFEVKEYVLPHFSVSIEPEYNFIGY
KNFKNFEITIKARYFYNKVVTEADVYITFGIREDLKDDQKEMMQTAMQNTMLINGIAQVT
FDSETAVKELSYYSLEDLNNKYLYIAVTVIESTGGFSEEAEIPGIKYVLSPYKLNLVATP
LFLKPGIPYPIKVQVKDSLDQLVGGVPVTLNAQTIDVNQETSDLDPSKSVTRVDDGVASF
VLNLPSGVTVLEFNVKTDAPDLPEENQAREGYRAIAYSSLSQSYLYIDWTDNHKALLVGE
HLNIIVTPKSPYIDKITHYNYLILSKGKIIHFGTREKFSDASYQSINIPVTQNMVPSSRL
LVYYIVTGEQTAELVSDSVWLNIEEKCGNQLQVHLSPDADAYSPGQTVSLNMATGMDSWV
ALAAVDSAVYGVQRGAKKPLERVFQFLEKSDLGCGAGGGLNNANVFHLAGLTFLTNANAD
DSQENDEPCKEILRPRRTLQKKIEEIAAKYKHSVVKKCCYDGACVNNDETCEQRAARISL
GPRCIKAFTECCVVASQLRANISHKDMQLGRLHMKTLLPVSKPEIRSYFPESWLWEVHLV
PRRKQLQFALPDSLTTWEIQGVGISNTGICVADTVKAKVFKDVFLEMNIPYSVVRGEQIQ
LKGTVYNYRTSGMQFCVKMSAVEGICTSESPVIDHQGTKSSKCVRQKVEGSSSHLVTFTV
LPLEIGLHNINFSLETWFGKEILVKTLRVVPEGVKRESYSGVTLDPRGIYGTISRRKEFP
YRIPLDLVPKTEIKRILSVKGLLVGEILSAVLSQEGINILTHLPKGSAEAELMSVVPVFY
VFHYLETGNHWNIFHSDPLIEKQKLKKKLKEGMLSIMSYRNADYSYSVWKGGSASTWLTA
FALRVLGQVNKYVEQNQNSICNSLLWLVENYQLDNGSFKENSQYQPIKLQGTLPVEAREN
SLYLTAFTVIGIRKAFDICPLVKIDTALIKADNFLLENTLPAQSTFTLAISAYALSLGDK
THPQFRSIVSALKREALVKGNPPIYRFWKDNLQHKDSSVPNTGTARMVETTAYALLTSLN
LKDINYVNPVIKWLSEEQRYGGGFYSTQDTINAIEGLTEYSLLVKQLRLSMDIDVSYKHK
GALHNYKMTDKNFLGRPVEVLLNDDLIVSTGFGSGLATVHVTTVVHKTSTSEEVCSFYLK
IDTQDIEASHYRGYGNSDYKRIVACASYKPSREESSSGSSHAVMDISLPTGISANEEDLK
ALVEGVDQLFTDYQIKDGHVILQLNSIPSSDFLCVRFRIFELFEVGFLSPATFTVYEYHR
PDKQCTMFYSTSNIKIQKVCEGAACKCVEADCGQMQEELDLTISAETRKQTACKPEIAYA
YKVSITSITVENVFVKYKATLLDIYKTGEAVAEKDSEITFIKKVTCTNAELVKGRQYLIM
GKEALQIKYNFSFRYIYPLDSLTWIEYWPRDTTCSSCQAFLANLDEFAEDIFLNGC
Sequence of entity 2 (B, D), FASTA
>3PRX_2 Cobra venom factor (chains B, D)
MERMALYLVAALLIGFPGSSHGALYTLITPAVLRTDTEEQILVEAHGDSTPKQLDIFVHD
FPRKQKTLFQTRVDMNPAGGMLVTPTIEIPAKEVSTDSRQNQYVVVQVTGPQVRLEKVVL
LSYQSSFLFIQTDKGIYTPGSPVLYRVFSMDHNTSKMNKTVIVEFQTPEGILVSSNSVDL
NFFWPYNLPDLVSLGTWRIVAKYEHSPENYTAYFDVRKYVLPSFEVRLQPSEKFFYIDGN
ENFHVSITARYLYGEEVEGVAFVLFGVKIDDAKKSIPDSLTRIPIIDGDGKATLKRDTFR
SRFPNLNELVGHTLYASVTVMTESGSDMVVTEQSGIHIVASPYQIHFTKTPKYFKPGMPY
ELTVYVTNPDGSPAAHVPVVSEAFHSMGTTLSDGTAKLILNIPLNAQSLPITVRTNHGDL
PRERQATKSMTAIAYQTQGGSGNYLHVAITSTEIKPGDNLPVNFNVKGNANSLKQIKYFT
YLILNKGKIFKVGRQPRRDGQNLVTMNLHITPDLIPSFRFVAYYQVGNNEIVADSVWVDV
KDTCMGTLVVKGDNLIQMPGAAMKIKLEGDPGARVGLVAVDKAVYVLNDKYKISQAKIWD
TIEKSDFGCTAGSGQNNLGVFEDAGLALTTSTNLNTKQRSAAKCPQPANRRRRSSVLLLD
SNASKAAEFQDQDLRKCCEDVMHENPMGYTCEKRAKYIQEGDACKAAFLECCRYIKGVRD
ENQRESELFLARDDNEDGFIADSDIISRSDFPKSWLWLTKDLTEEPNSQGISSKTMSFYL
RDSITTWVVLAVSFTPTKGICVAEPYEIRVMKVFFIDLQMPYSVVKNEQVEIRAILHNYV
NEDIYVRVELLYNPAFCSASTKGQRYRQQFPIKALSSRAVPFVIVPLEQGLHDVEIKASV
QEALWSDGVRKKLKVVPEGVQKSIVTIVKLDPRAKGVGGTQLEVIKARKLDDRVPDTEIE
TKIIIQGDPVAQIIENSIDGSKLNHLIITPSGCGEQNMIRMAAPVIATYYLDTTEQWETL
GINRRTEAVNQIVTGYAQQMVYKKADHSYAAFTNRASSSWLTAYVVKVFAMAAKMVAGIS
HEIICGGVRWLILNRQQPDGAFKENAPVLSGTMQGGIQGAEEEVYLTAFILVALLESKTI
CNDYVNSLDSSIKKATNYLLKKYEKLQRPYTTALTAYALAAADQLNDDRVLMAASTGRDH
WEEYNAHTHNIEGTSYALLALLKMKKFDQTGPIVRWLTDQNFYGETYGQTQATVMAFQAL
AEYEIQMPTHKDLNLDITIELPDREVPIRYRINYENALLARTVETKLNQDITVTASGDGK
ATMTILTFYNAQLQEKANVCNKFHLNVSVENIHLNAMGAKGALMLKICTRYLGEVDSTMT
IIDISMLTGFLPDAEDLTRLSKGVDRYISRYEVDNNMAQKVAVIIYLNKVSHSEDECLHF
KILKHFEVGFIQPGSVKVYSYYNLDEKCTKFYHPDKGTGLLNKICIGNVCRCAGETCSSL
NHQERIDVPLQIEKACETNVDYVYKTKLLRIEEQDGNDIYVMDVLEVIKQGTDENPRAKT
HQYISQRKCQEALNLKVNDDYLIWGSRSDLLPTKDKISYIITKNTWIERWPHEDECQEEE
FQKLCDDFAQFSYTLTEFGCPT
Sequence of entity 3 (X, Y), FASTA
>3PRX_3 Superantigen-like protein 7 (chains X, Y)
MKLKTLAKATLALGLLTTGVITSEGQAVQAAEKQGRVQHLHDIRDLHRYYSSESFEYSNV
SGKVENYNGSNVVRFNPKDQNHQLFLLGKDKEQYKEGLQGQNVFVVQELIDPNGRLSTVG
GVTKKNNKTSETNTPLFVNKVNGEDLDASIDSFLIQKEEISLKELDFKIRQQLVNNYGLY
KGTSKYGKIIINLKDENKVEIDLGDKLQFERMGDVLNSKDIRGISVTINQI

Ligands and cofactors

IDNameFormulaCopies
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O62

Primary citation

Substrate recognition by complement convertases revealed in the C5-cobra venom factor complex. Laursen, N.S., Andersen, K.R., Braren, I. et al. EMBO J (2011) 30:606-616. DOI 10.1038/emboj.2010.341 · PubMed

Other PDB entries of the same protein (UniProt P01031 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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