SCOPe 2.08: Structural Classification of Proteins

PDB entry 4q54

View 4q54 on RCSB PDB site
Description: serial time-resolved crystallography of photosystem ii using a femtosecond x-ray laser the s state after two flashes(s3)
Deposited on 2014-04-16, released 2014-07-16
Made obsolete by 4rvy on 2015-11-04

The last revision was dated 2015-11-04, with a file datestamp of 2015-10-30.
Experiment type: XRAY
Resolution: 5.5 Å
R-factor: N/A
AEROSPACI score: -0.01 (click here for full SPACI score report)

Chains and heterogens:

Chain 'A':
Compound: photosystem q(b) protein 1
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot P0A444 (0-333)
  - conflict (275)
Chain 'B':
Compound: CP47 protein
Species: Thermosynechococcus elongatus [TaxId:146786]
Database cross-references and differences (RAF-indexed):
- Uniprot Q9F1M3 (0-503)
Chain 'C':
Compound: Photosystem II CP43 protein
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DIF8 (Start-454)
Chain 'D':
Compound: Photosystem II D2 protein
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8CM25 (0-341)
Chain 'E':
Compound: Cytochrome b559 subunit alpha
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DIP0 (0-80)
Chain 'F':
Compound: Cytochrome b559 subunit beta
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DIN9 (0-33)
Chain 'H':
Compound: Photosystem II reaction center protein H
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DJ43 (0-64)
Chain 'I':
Compound: Photosystem II reaction center protein I
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DJZ6 (0-37)
Chain 'J':
Compound: Photosystem II reaction center protein J
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot P59087 (Start-39)
Chain 'K':
Compound: Photosystem II reaction center protein K
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q9F1K9 (0-36)
Chain 'L':
Compound: Photosystem II reaction center protein L
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DIN8 (0-36)
Chain 'M':
Compound: Photosystem II reaction center protein M
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DHA7 (0-33)
Chain 'O':
Compound: Photosystem II manganese-stabilizing polypeptide
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot P0A431 (0-242)
Chain 'T':
Compound: Photosystem II reaction center protein T
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DIQ0 (0-29)
Chain 'U':
Compound: Photosystem II 12 kDa extrinsic protein
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q9F1L5 (0-96)
Chain 'V':
Compound: cytochrome c-550
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot P0A386 (0-136)
Chain 'X':
Compound: Photosystem II reaction center X protein
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q9F1R6 (0-38)
Chain 'Y':
Compound: Photosystem II reaction center protein ycf12
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DJI1 (0-28)
Chain 'Z':
Compound: Photosystem II reaction center protein Z
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DHJ2 (0-61)
Chain 'a':
Compound: photosystem q(b) protein 1
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot P0A444 (0-333)
  - conflict (275)
Chain 'b':
Compound: CP47 protein
Species: Thermosynechococcus elongatus [TaxId:146786]
Database cross-references and differences (RAF-indexed):
- Uniprot Q9F1M3 (0-503)
Chain 'c':
Compound: Photosystem II CP43 protein
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DIF8 (0-454)
Chain 'd':
Compound: Photosystem II D2 protein
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8CM25 (Start-341)
Chain 'e':
Compound: Cytochrome b559 subunit alpha
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DIP0 (0-80)
Chain 'f':
Compound: Cytochrome b559 subunit beta
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DIN9 (Start-33)
Chain 'h':
Compound: Photosystem II reaction center protein H
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DJ43 (0-64)
Chain 'i':
Compound: Photosystem II reaction center protein I
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DJZ6 (0-37)
Chain 'j':
Compound: Photosystem II reaction center protein J
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot P59087 (0-39)
Chain 'k':
Compound: Photosystem II reaction center protein K
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q9F1K9 (0-36)
Chain 'l':
Compound: Photosystem II reaction center protein L
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DIN8 (0-36)
Chain 'm':
Compound: Photosystem II reaction center protein M
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DHA7 (0-33)
Chain 'o':
Compound: Photosystem II manganese-stabilizing polypeptide
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot P0A431 (0-242)
Chain 't':
Compound: Photosystem II reaction center protein T
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DIQ0 (0-29)
Chain 'u':
Compound: Photosystem II 12 kDa extrinsic protein
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q9F1L5 (0-96)
Chain 'v':
Compound: cytochrome c-550
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot P0A386 (0-136)
Chain 'x':
Compound: Photosystem II reaction center X protein
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q9F1R6 (0-38)
Chain 'y':
Compound: Photosystem II reaction center protein ycf12
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DJI1 (0-28)
Chain 'z':
Compound: Photosystem II reaction center protein Z
Species: THERMOSYNECHOCOCCUS ELONGATUS [TaxId:197221]
Database cross-references and differences (RAF-indexed):
- Uniprot Q8DHJ2 (0-61)
Heterogens: OEX, FE2, CL, BCT, CLA, PHO, BCR, PL9, SQD, LHG, CA, DGD, HEM, MG

PDB Chain Sequences:
This PDB entry is not classified in SCOPe 2.08, so the chain sequences below are not included in the ASTRAL sequence sets.

Chain 'A':
Sequence; same for both SEQRES and ATOM records:

>4q54A (A:)
anlwerfcnwvtstdnrlyvgwfgvimiptllaaticfviafiaappvdidgirepvsgs
llygnniitgavvpssnaiglhfypiweaasldewlynggpyqliifhfllgascymgrq
welsyrlgmrpwicvaysaplasafavfliypigqgsfsdgmplgisgtfnfmivfqaeh
nilmhpfhqlgvagvfggalfcamhgslvtsslirettetesanygykfgqeeetyniva
ahgyfgrlifqyasfnnsrslhfflaawpvvgvwfaalgistmafnlngfnfnhsvidak
gnvintwadiinranlgmevmhernahnfpldla

Chain 'B':
Sequence; same for both SEQRES and ATOM records:

>4q54B (B:)
glpwyrvhtvlindpgrliaahlmhtalvagwagsmalyelatfdpsdpvlnpmwrqgmf
vlpfmarlgvtgswsgwsitgetgidpgfwsfegvalahivlsgllflaacwhwvywdle
lfrdprtgepaldlpkmfgihlflagllcfgfgafhltglfgpgmwvsdpygltgsvqpv
apewgpdgfnpynpggvvahhiaagivgiiaglfhilvrppqrlykalrmgnietvlsss
iaavffaafvvagtmwygsattpielfgptryqwdssyfqqeinrrvqaslasgatleea
wsaipeklafydyignnpakgglfrtgpmnkgdgiaqawkghavfrnkegeelfvrrmpa
ffesfpviltdkngvvkadipfrraeskysfeqqgvtvsfyggelngqtftdpptvksya
rkaifgeifefdtetlnsdgifrtsprgwftfahavfallfffghiwhgartlfrdvfsg
idpelspeqvewgfyqkvgdvttr

Chain 'C':
Sequence, based on SEQRES records:

>4q54C (C:)
nsifatnrdqessgfawwagnarlinlsgkllgahvahaglivfwagamtlfelahfipe
kpmyeqgliliphiatlgwgvgpggevvdtfpffvvgvvhlissavlgfggvyhairgpe
tleeyssffgydwkdknkmttilgfhlivlgigalllvakamffgglydtwapgggdvrv
itnptldprvifgyllkspfggegwivsvnnledvvgghiwigliciaggiwhilttpfg
warrafiwsgeaylsyslgalsmmgfiatcfvwfnntvypsefygptgpeasqaqamtfl
irdqklganvgsaqgptglgkylmrsptgeiifggetmrfwdfrgpwleplrgpngldln
kikndiqpwqerraaeymthaplgslnsvggvateinsvnfvsprswlatshfvlafffl
vghlwhagraraaaagfekgidresepvlsmpsld

Sequence, based on observed residues (ATOM records):

>4q54C (C:)
atnrdqessgfawwagnarlinlsgkllgahvahaglivfwagamtlfelahfipekpmy
eqgliliphiatlgwgvgpggevvdtfpffvvgvvhlissavlgfggvyhairgpetlee
yssffgydwkdknkmttilgfhlivlgigalllvakamffgglydtwapgggdvrvitnp
tldprvifgyllkspfggegwivsvnnledvvgghiwigliciaggiwhilttpfgwarr
afiwsgeaylsyslgalsmmgfiatcfvwfnntvypsefygptgpeasqaqamtflirdq
klganvgsaqgptglgkylmrsptgeiifggetmrfwdfrgpwleplrgpngldlnkikn
diqpwqerraaeymthaplgslnsvggvateinsvnfvsprswlatshfvlaffflvghl
whagraraaaagfekgidresepvlsmpsld

Chain 'D':
Sequence; same for both SEQRES and ATOM records:

>4q54D (D:)
ergwfdilddwlkrdrfvfvgwsgillfpcaylalggwltgttfvtswythglassyleg
cnfltvavstpansmghsllllwgpeaqgdftrwcqlgglwtfialhgafgligfmlrqf
eiarlvgvrpynaiafsapiavfvsvfliyplgqsswffapsfgvaaifrfllffqgfhn
wtlnpfhmmgvagvlggallcaihgatventlfqdgegastfrafnptqaeetysmvtan
rfwsqifgiafsnkrwlhffmlfvpvtglwmsaigvvglalnlrsydfisqeiraaedpe
fetfytknlllnegirawmapqdqphenfvfpeevlprgnal

Chain 'E':
Sequence; same for both SEQRES and ATOM records:

>4q54E (E:)
ttgerpfsdiitsvrywvihsitipalfiagwlfvstglaydvfgtprpdsyyaqeqrsi
plvtdrfeakqqvetfleqlk

Chain 'F':
Sequence; same for both SEQRES and ATOM records:
```
>4q54F (F:)
sypiftvrwvavhtlavptifflgaiaamqfiqr
```

Chain 'H':
Sequence; same for both SEQRES and ATOM records:

>4q54H (H:)
arrtwlgdilrplnseygkvapgwgttplmavfmglflvflliileiynstlildgvnvs
wkalg

Chain 'I':
Sequence; same for both SEQRES and ATOM records:
```
>4q54I (I:)
metlkitvyivvtffvllfvfgflsgdparnpkrkdle
```

Chain 'J':
Sequence, based on SEQRES records:

>4q54J (J:)
mmseggriplwivatvagmgvivivglffygayaglgssl

Sequence, based on observed residues (ATOM records):

>4q54J (J:)
seggriplwivatvagmgvivivglffygayaglgssl

Chain 'K':
Sequence; same for both SEQRES and ATOM records:
```
>4q54K (K:)
klpeayaifdplvdvlpvipvlflalafvwqaavgfr
```
Chain 'L':
Sequence; same for both SEQRES and ATOM records:
```
>4q54L (L:)
mepnpnrqpvelnrtslylglllilvlallfssyffn
```
Chain 'M':
Sequence; same for both SEQRES and ATOM records:
```
>4q54M (M:)
mevnqlgliatalfvlvpsvfliilyvqtesqqk
```

Chain 'O':
Sequence; same for both SEQRES and ATOM records:

>4q54O (O:)
tltyddivgtglankcptlddtargaypidssqtyriarlclqpttflvkeepknkrqea
efvptklvtrettsldqiqgelkvnsdgsltfveedgidfqpvtvqmaggeripllftvk
nlvastqpnvtsittstdfkgefnvpsyrtanfldpkgrglasgydsaialpqakeeela
ranvkrfsltkgqislnvakvdgrtgeiagtfeseqlsdddmgahephevkiqgvfyasi
epa

Chain 'T':
Sequence; same for both SEQRES and ATOM records:
```
>4q54T (T:)
metityvfifaciialfffaiffrepprit
```

Chain 'U':
Sequence; same for both SEQRES and ATOM records:

>4q54U (U:)
elvnvvdeklgtaygekidlnntniaafiqyrglyptlaklivknapyesvedvlnipgl
terqkqilrenlehftvtevetalveggdrynnglyk

Chain 'V':
Sequence; same for both SEQRES and ATOM records:

>4q54V (V:)
aeltpevltvplnsegktitltekqylegkrlfqyacaschvggitktnpsldlrtetla
latpprdnieglvdymknpttydgeqeiaevhpslrsadifpkmrnltekdlvaiaghil
vepkilgdkwgggkvyy

Chain 'X':
Sequence; same for both SEQRES and ATOM records:

>4q54X (X:)
titpslkgffigllsgavvlgltfavliaisqidkvqrs

Chain 'Y':
Sequence; same for both SEQRES and ATOM records:
```
>4q54Y (Y:)
viaqltmiamigiagpmiifllavrrgnl
```

Chain 'Z':
Sequence; same for both SEQRES and ATOM records:

>4q54Z (Z:)
mtilfqlalaalvilsfvmvigvpvayaspqdwdrskqliflgsglwialvlvvgvlnff
vv

Chain 'a':
Sequence; same for both SEQRES and ATOM records:

>4q54a (a:)
anlwerfcnwvtstdnrlyvgwfgvimiptllaaticfviafiaappvdidgirepvsgs
llygnniitgavvpssnaiglhfypiweaasldewlynggpyqliifhfllgascymgrq
welsyrlgmrpwicvaysaplasafavfliypigqgsfsdgmplgisgtfnfmivfqaeh
nilmhpfhqlgvagvfggalfcamhgslvtsslirettetesanygykfgqeeetyniva
ahgyfgrlifqyasfnnsrslhfflaawpvvgvwfaalgistmafnlngfnfnhsvidak
gnvintwadiinranlgmevmhernahnfpldla

Chain 'b':
Sequence; same for both SEQRES and ATOM records:

>4q54b (b:)
glpwyrvhtvlindpgrliaahlmhtalvagwagsmalyelatfdpsdpvlnpmwrqgmf
vlpfmarlgvtgswsgwsitgetgidpgfwsfegvalahivlsgllflaacwhwvywdle
lfrdprtgepaldlpkmfgihlflagllcfgfgafhltglfgpgmwvsdpygltgsvqpv
apewgpdgfnpynpggvvahhiaagivgiiaglfhilvrppqrlykalrmgnietvlsss
iaavffaafvvagtmwygsattpielfgptryqwdssyfqqeinrrvqaslasgatleea
wsaipeklafydyignnpakgglfrtgpmnkgdgiaqawkghavfrnkegeelfvrrmpa
ffesfpviltdkngvvkadipfrraeskysfeqqgvtvsfyggelngqtftdpptvksya
rkaifgeifefdtetlnsdgifrtsprgwftfahavfallfffghiwhgartlfrdvfsg
idpelspeqvewgfyqkvgdvttr

Chain 'c':
Sequence; same for both SEQRES and ATOM records:

>4q54c (c:)
nsifatnrdqessgfawwagnarlinlsgkllgahvahaglivfwagamtlfelahfipe
kpmyeqgliliphiatlgwgvgpggevvdtfpffvvgvvhlissavlgfggvyhairgpe
tleeyssffgydwkdknkmttilgfhlivlgigalllvakamffgglydtwapgggdvrv
itnptldprvifgyllkspfggegwivsvnnledvvgghiwigliciaggiwhilttpfg
warrafiwsgeaylsyslgalsmmgfiatcfvwfnntvypsefygptgpeasqaqamtfl
irdqklganvgsaqgptglgkylmrsptgeiifggetmrfwdfrgpwleplrgpngldln
kikndiqpwqerraaeymthaplgslnsvggvateinsvnfvsprswlatshfvlafffl
vghlwhagraraaaagfekgidresepvlsmpsld

Chain 'd':
Sequence, based on SEQRES records:

>4q54d (d:)
ergwfdilddwlkrdrfvfvgwsgillfpcaylalggwltgttfvtswythglassyleg
cnfltvavstpansmghsllllwgpeaqgdftrwcqlgglwtfialhgafgligfmlrqf
eiarlvgvrpynaiafsapiavfvsvfliyplgqsswffapsfgvaaifrfllffqgfhn
wtlnpfhmmgvagvlggallcaihgatventlfqdgegastfrafnptqaeetysmvtan
rfwsqifgiafsnkrwlhffmlfvpvtglwmsaigvvglalnlrsydfisqeiraaedpe
fetfytknlllnegirawmapqdqphenfvfpeevlprgnal

Sequence, based on observed residues (ATOM records):

>4q54d (d:)
rgwfdilddwlkrdrfvfvgwsgillfpcaylalggwltgttfvtswythglassylegc
nfltvavstpansmghsllllwgpeaqgdftrwcqlgglwtfialhgafgligfmlrqfe
iarlvgvrpynaiafsapiavfvsvfliyplgqsswffapsfgvaaifrfllffqgfhnw
tlnpfhmmgvagvlggallcaihgatventlfqdgegastfrafnptqaeetysmvtanr
fwsqifgiafsnkrwlhffmlfvpvtglwmsaigvvglalnlrsydfisqeiraaedpef
etfytknlllnegirawmapqdqphenfvfpeevlprgnal

Chain 'e':
Sequence; same for both SEQRES and ATOM records:

>4q54e (e:)
ttgerpfsdiitsvrywvihsitipalfiagwlfvstglaydvfgtprpdsyyaqeqrsi
plvtdrfeakqqvetfleqlk

Chain 'f':
Sequence, based on SEQRES records:

>4q54f (f:)
sypiftvrwvavhtlavptifflgaiaamqfiqr

Sequence, based on observed residues (ATOM records):

>4q54f (f:)
piftvrwvavhtlavptifflgaiaamqfiqr

Chain 'h':
Sequence; same for both SEQRES and ATOM records:

>4q54h (h:)
arrtwlgdilrplnseygkvapgwgttplmavfmglflvflliileiynstlildgvnvs
wkalg

Chain 'i':
Sequence; same for both SEQRES and ATOM records:
```
>4q54i (i:)
metlkitvyivvtffvllfvfgflsgdparnpkrkdle
```

Chain 'j':
Sequence; same for both SEQRES and ATOM records:

>4q54j (j:)
mmseggriplwivatvagmgvivivglffygayaglgssl

Chain 'k':
Sequence; same for both SEQRES and ATOM records:
```
>4q54k (k:)
klpeayaifdplvdvlpvipvlflalafvwqaavgfr
```
Chain 'l':
Sequence; same for both SEQRES and ATOM records:
```
>4q54l (l:)
mepnpnrqpvelnrtslylglllilvlallfssyffn
```
Chain 'm':
Sequence; same for both SEQRES and ATOM records:
```
>4q54m (m:)
mevnqlgliatalfvlvpsvfliilyvqtesqqk
```

Chain 'o':
Sequence; same for both SEQRES and ATOM records:

>4q54o (o:)
tltyddivgtglankcptlddtargaypidssqtyriarlclqpttflvkeepknkrqea
efvptklvtrettsldqiqgelkvnsdgsltfveedgidfqpvtvqmaggeripllftvk
nlvastqpnvtsittstdfkgefnvpsyrtanfldpkgrglasgydsaialpqakeeela
ranvkrfsltkgqislnvakvdgrtgeiagtfeseqlsdddmgahephevkiqgvfyasi
epa

Chain 't':
Sequence; same for both SEQRES and ATOM records:
```
>4q54t (t:)
metityvfifaciialfffaiffrepprit
```

Chain 'u':
Sequence; same for both SEQRES and ATOM records:

>4q54u (u:)
elvnvvdeklgtaygekidlnntniaafiqyrglyptlaklivknapyesvedvlnipgl
terqkqilrenlehftvtevetalveggdrynnglyk

Chain 'v':
Sequence; same for both SEQRES and ATOM records:

>4q54v (v:)
aeltpevltvplnsegktitltekqylegkrlfqyacaschvggitktnpsldlrtetla
latpprdnieglvdymknpttydgeqeiaevhpslrsadifpkmrnltekdlvaiaghil
vepkilgdkwgggkvyy

Chain 'x':
Sequence; same for both SEQRES and ATOM records:

>4q54x (x:)
titpslkgffigllsgavvlgltfavliaisqidkvqrs

Chain 'y':
Sequence; same for both SEQRES and ATOM records:
```
>4q54y (y:)
viaqltmiamigiagpmiifllavrrgnl
```

Chain 'z':
Sequence; same for both SEQRES and ATOM records:

>4q54z (z:)
mtilfqlalaalvilsfvmvigvpvayaspqdwdrskqliflgsglwialvlvvgvlnff
vv